4月9日发生过什么？

The distinguished soldier Septimius Severus is proclaimed emperor by the army in Illyricum

Lucius Septimius Severus (; Latin: [ˈluːkius sepˈtimius seˈweːrus]; 11 April 145 – 4 February 211) was Roman emperor from 193 to 211. He was born in Leptis Magna, Libya, in the Roman province of Africa. He was of mixed Roman and Punic/Phoenician descent. As a young man, he advanced through the customary succession of offices under the reigns of Marcus Aurelius and Commodus.

Battle of Legnica

The Battle of Legnica (Polish: bitwa pod Legnicą), also known as the Battle of Liegnitz (German: Schlacht von Liegnitz) or Battle of Wahlstatt (German: Schlacht bei Wahlstatt), was a battle between the Mongol Empire and the combined defending forces of European fighters that took place at Legnickie Pole (Wahlstatt) near the city of Legnica in the Silesia province of the Kingdom of Poland on 9 April 1241. A combined force of Poles, Moravians, and Germans under the command of the Polish duke Henry II the Pious of Silesia, supported by feudal nobility and a few knights from military orders sent by the Pope, attempted to halt the Mongol invasion of Europe.

Legnica, Poland

Battle of Bạch Đằng (1288)

The Battle of Bạch Đằng was a decisive naval battle during the third Mongol invasion of Vietnam between Đại Việt commanded by Commander-in-Chief Prince Trần Quốc Tuấn (Prince Hưng Đạo), and the fleet of the Yuan dynasty, commanded by Admirals Omar and Fan Yi on the Bạch Đằng River (today Quảng Ninh province), which Prince Hưng Đạo staged an ambush that destroyed the Yuan fleet, capturing its general, ending Kublai’s intention to conquer Dai Viet and Champa.

Battle of Getares

The Battle of the Getares, also known as the Battle of Algeciras, was a naval encounter between the Marinid fleet, under the command of Mohammed ben Ali al-Azafi, and a Castilian fleet led by Alfonso Jofré Tenorio. Fought in April 1340, the battle ended with the annihilation of the Castilian fleet.

Siege of Thessalonica (1383–1387)

The first siege of Thessalonica took place between 1383 and 1387 between the Ottoman army dispatched by Murad I and the Byzantine garrison led by Manuel II Palaiologos. After a four-year siege, the city surrendered to the Ottomans.

This entry records the event's end date, as given in the source infobox.

Battle of Näfels

The Battle of Näfels was fought on 9 April 1388 between the Swiss canton of Glarus, supported by its allies of the Old Swiss Confederation, and the Duchy of Austria ruled by the House of Habsburg. It was a decisive victory for Glarus and led to its independence from Habsburg rule. The battle was the last of the Swiss-Austrian conflicts that stretched through most of the 14th century.

Coronation of Henry V of England

Henry V (16 September 1386 – 31 August 1422), also called Henry of Monmouth, was King of England, Lord of Ireland, and Duke of Aquitaine from 1413 until his death in 1422. His victory at Agincourt in 1415 and his conquest of Normandy gave England the upper hand in the Hundred Years' War and led, by the Treaty of Troyes in 1420, to his recognition as heir and regent of France.

The Council of Ferrara begins with its first session in presence of the Patriarch of Constantinople, representatives of the Patriarchal Sees of Antioch, Alexandria and Jerusalem and Pope Eugene IV presiding

The Council of Florence was the seventeenth ecumenical council recognized by the Catholic Church, held between 1431 and 1445. It was convened in territories under the Holy Roman Empire. Italy became a venue of a Catholic ecumenical council after a gap of about two centuries (the last ecumenical council to be held in Italy was the 4th Council of the Lateran in Rome's Lateran Palace in 1215).

Treaty of Lodi

The Treaty of Lodi, or Peace of Lodi, was a peace agreement which brought to an end the Wars in Lombardy between the Venetian Republic and the Duchy of Milan, signed in the city of Lodi on 9 April 1454.

Lombardy, Italy

Şahkulu rebellion

The Şahkulu rebellion was a widespread pro-Shia and pro-Safavid uprising in Anatolia, directed against the Ottoman Empire, in 1511. It began among the Turkmen tribes of the Taurus Mountains, before spreading to a wide variety of disgruntled groups. It is named after the leader of the rebels, Şahkulu. His death in battle also meant the end of the uprising.

Resettled Shiite Muslims rise up in the Şahkulu rebellion under the leadership of Şahkulu against the Ottoman Empire.

Battle of Jaquijahuana

The Battle of Jaquijahuana was fought between the forces of Gonzalo Pizarro and Pedro de la Gasca, on April 9, 1548, during the Conquest of the Inca Empire by the Spanish conquistadores. After the successful Spanish conquest of the Inca Empire, the assassination of Francisco Pizarro in 1541, and the execution of his main antagonist, Diego de Almagro (1538) and his son, El Mozo (1542), most of the competent commanders of the recently founded New Castile Governorate had been lost in the ensuing power struggle.

Cusco, Peru

Battle of Thanesar (1567)

Battle of Thanesar (also known as the Battle of the Ascetics) was fought on the eve of Solar eclipse holy bath fair on 9 April 1567, near Thanesar on the banks of the Saraswati Ghaggar River in the state of Haryana. While the Mughal Emperor Akbar was on his campaign to subdue the rebellious Rajputs of Mewar, he set up camp at a spring and established camp around that freshwater reservoir in order to properly manage his forces in the nearby regions.

India

English Fury at Mechelen

The English Fury at Mechelen or the Capture of Mechelen was an event in the Eighty Years' War on April 9, 1580. The city of Mechelen (known as Malines in French and historically in English) was conquered by Calvinist rebel forces from Brussels, which included a large contingent of English mercenaries. The city was sacked and many of its religious treasures destroyed or plundered.

Belgium

Battle of Zaraysk

In the Battle of Zaraisk, during the Time of Troubles, on April 9, 1608, Colonel Alexander Lisovsky in service of False Dmitry II, defeated the army of Tsar Vasily IV under Zahariya Lyapunov and Ivan Khovansky.

Treaty of Antwerp (1609)

The Treaty of Antwerp, which initiated the Twelve Years' Truce, was an armistice signed in Antwerp on 9 April 1609 between Spain and the Netherlands, creating the major break in hostilities during the Eighty Years' War for independence conducted by the Seventeen Provinces in the Low Countries.

Antwerp, Belgium

Siege of Fort at Number 4

The siege of Fort at Number Four (7–9 April 1747) was a frontier action at present-day Charlestown, New Hampshire, during King George's War. The Fort at Number 4 (named so because it was located in the fourth of a series of recently surveyed township land parcels), was unsuccessfully besieged by a French and Native force under the command of Ensign Joseph Boucher de Niverville.

This entry records the event's end date, as given in the source infobox.

United States

Battle of Santiago de Cuba (1748)

The battle of Santiago de Cuba, which took place on 9 April 1748, was a failed attempt by elements of the British Royal Navy under Rear-Admiral Charles Knowles to force the entrance of the port of Santiago de Cuba with the aim of striking a blow to the Spanish trade and privateering, since Santiago was a major base of the Spanish privateers in the Caribbean.

Santiago de Cuba, Cuba

1778 Connecticut gubernatorial election

The 1778 Connecticut gubernatorial election was held on April 9, 1778, in order to elect the Governor of Connecticut. Incumbent Nonpartisan Governor Jonathan Trumbull won re-election as he ran unopposed.

Connecticut, United States

The Treaty of Paris, ratified by the United States Congress on January 14, 1784, is ratified by King George III of the Kingdom of Great Britain, ending the American Revolutionary War. Copies of the ratified documents are exchanged on May 12, 1784

The United States Congress is the legislative branch of the federal government of the United States. It is a bicameral legislature, including a lower body, the U.S. House of Representatives, and an upper body, the U.S. Senate. They both meet in the United States Capitol in Washington, D.C. Members of Congress are chosen through direct election, though vacancies in the Senate may be filled by a governor's appointment.

1789 Connecticut gubernatorial election

The 1789 Connecticut gubernatorial election was held on April 9, 1789, in order to elect the Governor of Connecticut. Incumbent Federalist Governor of Connecticut Samuel Huntington won re-election as he ran unopposed.

Connecticut, United States

1801 Connecticut gubernatorial election

The 1801 Connecticut gubernatorial election took place on April 9, 1801. Incumbent Federalist Governor Jonathan Trumbull Jr. won re-election to a fourth full term, defeating Democratic-Republican candidate Richard Law.

Connecticut, United States

1807 Connecticut gubernatorial election

The 1807 Connecticut gubernatorial election took place on April 9, 1807. Incumbent Federalist Governor Jonathan Trumbull Jr. won re-election to a tenth full term, defeating Democratic-Republican candidate William Hart in a re-match of the previous year's election.

Connecticut, United States

1810 Connecticut gubernatorial election

The 1810 Connecticut gubernatorial election took place on April 9, 1810. Federalist Lieutenant Governor John Treadwell had become acting Governor on the death of Governor Jonathan Trumbull Jr. on August 7, 1809. Treadwell was elected to a term in his own right, defeating Democratic-Republican nominee Asa Spalding and Federalist nominee Roger Griswold. Since no candidate received a majority in the popular vote, Treadwell was elected by the Connecticut General Assembly per the Connecticut Charter of 1662.

Connecticut, United States

Battle of Arlabán (1812)

The Battle of Arlabán of 1812, also known as the Second Surprise of Arlabán, took place in the mountain pass of Arlabán, Guipúzcoa, Basque Country, near the border with France, on 9 April 1812, during the Peninsular War. A Spanish force of 3,000–3,500 men led by Francisco Espoz y Mina intercepted a great French convoy (2,000–3,000 regulars and 150 cavalry) of General of Division Caffarelli.

Battle of Occhiobello

The Battle of Occhiobello was fought on 8–9 April 1815 and was the turning point of the Neapolitan War. Joachim Murat, King of Naples was repulsed by an Austrian force under the command of Johann Frimont whilst trying to cross the bridge over the Po River at Occhiobello. Following the battle, the Austrians would not lose an engagement for the remainder of the war.

This entry records the event's end date, as given in the source infobox.

1818 Connecticut gubernatorial election

The 1818 Connecticut gubernatorial election was held on April 9, 1818. Incumbent governor and Toleration Party candidate Oliver Wolcott Jr. was re-elected, defeating congressman and Federalist Party candidate Timothy Pitkin with 86.32% of the vote.

Connecticut, United States

1822 Boston mayoral election

The 1822 Boston mayoral election saw the election of John Phillips as the inaugural mayor of Boston. The first vote, held on April 9, 1822, did not result in any candidate receiving the required majority of the vote, resulting in a second vote held on April 16, 1822, which Phillips won.

1829 Connecticut gubernatorial election

The 1829 Connecticut gubernatorial election was held on April 9, 1829. Incumbent governor and National Republican nominee Gideon Tomlinson ran essentially unopposed, winning with 97.52% of the vote amidst a scattering of votes.

Connecticut, United States

1837 Costa Rican Head of State election

Head of State elections were held in Costa Rica in 1837. Manuel Aguilar Chacón was elected over Braulio Carrillo Colina using the model of indirect suffrage prescribed by the Fundamental Law of the State of Costa Rica. General election among all citizens authorized to vote was held, using public vote, electing a group of electors proportional to the population of the province they represented who then elected the president directly.

This entry records the event's end date, as given in the source infobox.

Costa Rica

Battle of Italeni

The Battle of Italeni took place in what is now KwaZulu Natal province, South Africa. It was fought between the Voortrekkers and the Zulus on 9 April 1838, during the period of the Great Trek.

KwaZulu-Natal, South Africa

Battle of Drummond's Island

The Battle of Drummond's Island was a conflict between the United States Exploring Expedition and the village of Utiroa in April 1841 at Drummond's Island, Tabiteuea North, which is now part of Tabiteuea. The cause of the conflict was the disappearance of the American seaman John Anderson, who was suspected, with no evidence, to have been murdered by the village natives.

Battle of Bov

The Battle of Bov (German : Bau) was a battle between troops fighting for Schleswig-Holstein, and those for Denmark, which happened on April 9, 1848 in the area of Flensborg in Denmark, during the First Schleswig War. Denmark won the engagement. It was the first battle of the First Schleswig War.

Denmark

Battle of Albuquerque

The Battle of Albuquerque was a small engagement of the American Civil War in April 1862 between Confederate Brigadier General Henry Hopkins Sibley's Army of New Mexico and a Union force of the Department of New Mexico under Colonel Edward R. S. Canby.

This entry records the event's end date, as given in the source infobox.

United States

Battle of Pleasant Hill

The Battle of Pleasant Hill, Louisiana (9 April 1864), formed part of the Red River Campaign during the American Civil War, when Union forces were aiming to occupy the state capital Shreveport. The battle was essentially a continuation of the Battle of Mansfield (8 April), a Confederate victory, which had caused the Union commander Nathaniel Banks to send his wagons, with most of his artillery, downriver in retreat. However, both sides had been reinforced through the night, and when the Confederate commander Maj. Gen. Richard Taylor launched an assault against the Union line, it was repulsed, though at a high cost in casualties.

DeSoto Parish, Louisiana, United States · Louisiana, United States · Sabine Parish, Louisiana, United States

Battle of Appomattox Court House

The Battle of Appomattox Court House, fought on the morning of April 9, 1865, was one of the last battles of the American Civil War. It was the final engagement of Confederate Army general Robert E. Lee's Army of Northern Virginia before it surrendered to the Union Army under Lt. Gen. Ulysses S. Grant. Lee, having abandoned the Confederate capital of Richmond, Virginia, after the ten-month Siege of Petersburg, retreated west, hoping to join his army with the Confederate forces in North Carolina. Union forces pursued and cut off the Confederate's retreat at the village of Appomattox Court House.

Appomattox County, Virginia, United States

Battle of Dingle's Mill

The Battle of Dingle's Mill was an American Civil War battle that took place near Sumterville, South Carolina.

United States

Appomattox campaign

The Appomattox campaign was a series of American Civil War battles fought March 29 – April 9, 1865, in Virginia that concluded with the surrender of Confederate General Robert E. Lee's Army of Northern Virginia to forces of the Union Army (Army of the Potomac, Army of the James and Army of the Shenandoah) under the overall command of Lieutenant General Ulysses S.

This entry records the event's end date, as given in the source infobox.

United States

Saga Rebellion

The Saga Rebellion (佐賀の乱, Saga no ran) was an 1874 uprising in Kyūshū against the new Meiji government of Japan. It was led by Etō Shinpei and Shima Yoshitake in their native domain of Hizen.

This entry records the event's end date, as given in the source infobox.

1881 FA Cup final

The 1881 FA Cup final was contested by Old Carthusians and Old Etonians at the Kennington Oval. Old Carthusians won 3–0, the goals scored by Edward Wynyard, Edward Hagarty Parry, and Alexander Tod.

1881 Scottish Cup final (replay)

The 1881 Scottish Cup final was the eighth final of the Scottish Cup and the final of the 1880–81 Scottish Cup, the most prestigious knockout football competition in Scotland. The original match was played at Kinning Park sports ground in the burgh of Kinning Park (today part of Glasgow) on 26 March 1881 and was watched by a crowd of 15,000 spectators.

This entry records the replay date, as explicitly given in the source infobox.

Aston Villa 3–0 Hibernian (1887)

The match between Aston Villa and Hibernian was an exhibition football match that took place in the city of Birmingham in April 1887. It was a return match from a friendly played between the sides in January 1887. The match was advertised in the Birmingham Daily Mail in their 7 April 1887 edition as a "Great International Match". Aston Villa won the match 3–0.

United Kingdom

1890 South Australian colonial election

Colonial elections were held in South Australia from 9 April to 23 April 1890. All 54 seats in the South Australian House of Assembly were up for election. The Northern Territory became an electorate for the House of Assembly, increasing the House to 54 members, elected from twenty seven 2-member districts. The divisions between the conservative and radical groups in the Assembly continued after the 1887 election, as did the instability.

Waitemata by-election, 1894

The Waitemata by-election, 1894 was a by-election held on 9 April 1894 during the 12th New Zealand Parliament in the rural North Island seat of the Waitemata. The contest was won by the independent conservative candidate William Massey. Massey somewhat narrowly beat the Liberal candidate Jackson Palmer recording only a 173-vote majority.

New Zealand

Tampico Affair

The Tampico Affair began as a minor incident involving United States Navy sailors and the Mexican Federal Army loyal to Mexican dictator General Victoriano Huerta. On April 9, 1914, nine sailors had come ashore to secure supplies and were detained by Mexican forces. Commanding Admiral Henry Mayo demanded that the US sailors be released, and that Mexico issue an apology, raise and salute the US flag, and perform a 21-gun salute.

Mexico

Spanish general election, 1916

General elections to the Cortes Generales were held in Spain on 9 April 1916. At stake were all 409 seats in the Congress of Deputies. Though formally competitive, the 1916 general election was held under the customary system of Turno Pacifico; in accordance with a long-standing power-sharing arrangement, elections (under influence by machine bosses called caciques) served as a rubber stamp for a routine handover of power initiated by the King. The 1916 election, as expected, sanctioned the pre-arranged handover from the Conservatives to the Liberals.

Spain

Battle of Vimy Ridge

The Battle of Vimy Ridge (9–12 April 1917) was part of the Battle of Arras, in the Pas-de-Calais department of France, during the First World War. The main combatants were the four divisions of the Canadian Corps in the First Army, against three divisions of the German 6th Army. The battle began the Battle of Arras and was the first attack of the Nivelle Offensive.

Edinburgh North by-election, 1920

The Edinburgh North by-election of 1920 was held on 9 April 1920. The by-election was held due to the resignation of the incumbent Coalition Conservative MP, James Avon Clyde after he was appointed to the bench as Lord Justice General and Lord President of the Court of Session. It was won by the Coalition Conservative candidate Patrick Johnstone Ford.

United Kingdom

1921 South Australian state election

State elections were held in South Australia on 9 and 16 April 1921. All 46 seats in the South Australian House of Assembly were up for election. The incumbent Liberal Union government led by Premier of South Australia Henry Barwell defeated the opposition Australian Labor Party led by Leader of the Opposition John Gunn. Each district elected multiple members, with voters casting multiple votes.

1927 Victorian state election

The 1927 Victorian state election was held in the Australian state of Victoria on Saturday, 9 April 1927, to elect the 65 members of the state's Legislative Assembly. For the first time, a Victorian state election was held on a Saturday, and voting for the Legislative Assembly was compulsory.

After being denied permission to perform at Constitution Hall by the Daughters of the American Revolution, African-American singer Marian Anderson gave an open-air concert on the steps of the Lincoln Memorial in Washington, D.C

Marian Anderson, born Marian Elina-Blanche Anderson (February 27, 1897 – April 8, 1993) was an American contralto. She performed a wide range of music, from opera to spirituals. Anderson performed with renowned orchestras in major concert and recital venues throughout the United States and Europe between 1925 and 1965. Anderson was an important figure in the struggle for Black American artists to overcome racial prejudice in the United States during the mid-twentieth century.

Battle of Drøbak Sound

The Battle of Drøbak Sound took place in the northernmost part of the Oslofjord on 9 April 1940, on the first day of the German invasion of Norway. It was the start of the war in Western Europe—and an end to the "Phoney War". Oscarsborg Fortress near Drøbak engaged a German fleet sailing up the Oslofjord with the objective of seizing the Norwegian capital and capturing Haakon VII, the Norwegian king, and his government. At the time of the battle, the ageing fortress' Main Battery of guns was over 40 years old and the installation had been relegated to training coastal artillery servicemen, leading the Germans to disregard the fortress' defensive value.

Norway

Capture of Egersund

The Capture of Egersund took place on 9 April 1940, and saw German soldiers of a bicycle squadron land at the Norwegian port town of Egersund, as part of the German invasion of Norway during the Second World War. The Germans seized the town without armed resistance, capturing the small Norwegian army and navy force there and achieving their main objective of cutting the undersea telegraph cable between Norway and the United Kingdom. By seizing control of Egersund, the Germans created one of several invasion beachheads in Norway.

Egersund, Norway

German invasion of Denmark (1940)

The German invasion of Denmark was the fighting that followed the German army crossing the Danish border on 9 April 1940 by land, sea and air. Lasting approximately six hours, the German ground campaign against Denmark was one of the shortest military operations of the Second World War.

Denmark

Battle of Horten Harbour

The Battle of Horten Harbour or the Action at Horten was an engagement that occurred on 9 April 1940. It took place during Operation Weserübung, when the Germans launched an amphibious assault on Karljohansvern, the Norwegian naval base at Horten. After being initially repulsed by Norwegian naval units, German troops headed overland to outflank the base, forcing it to capitulate.

Norway

Battle of Fornebu

The Battle of Fornebu was an engagement that occurred on 9 April 1940 during Operation Weserübung when the Germans launched an assault on Oslo, the capital of Norway. Seven fighter planes from the vastly outnumbered Norwegian Army Air Service took to the skies to engage the German forces. The Norwegians shot down four German planes for the loss of one their own before the defenders were forced to land after their aircraft ran low on fuel.

Norway

Capture of Arendal

The Capture of Arendal occurred on 9 April 1940 and saw the German torpedo boat Greif land a force of bicycle troops and seize an invasion beachhead at the Norwegian port town of Arendal. The main aim of the landing, part of the German invasion of Norway, was to sever the undersea telegraph cable between Arendal and the United Kingdom.

Operation Weserübung

Operation Weserübung (Unternehmen Weserübung [ˈveːzɐˌʔyːbʊŋ], (German: "Operation Weser Exercise") was the invasion of Denmark and Norway by Nazi Germany during World War II. Taking place from 9 April – 10 June 1940, it was the opening operation of the Norwegian Campaign. In the early morning of 9 April 1940 (Wesertag, "Weser Day"), German forces occupied Denmark and invaded Norway, ostensibly as a preventive manoeuvre against a planned Anglo-French occupation of Norway known as Plan R 4, which developed as a response to a German invasion of Norwegian territory.

World War II: Operation Weserübung: Germany invades Denmark and Norway.

Battles of Narvik

The Battles of Narvik were fought from 9 April to 8 June 1940, as a naval battle in Ofotfjord and as a land battle in the mountains surrounding the north Norwegian town of Narvik, as part of the Norwegian campaign of the Second World War.

This entry records the event's start date, as given in the source infobox.

Action off Lofoten

The action off Lofoten was a naval battle fought between the German Kriegsmarine and the British Royal Navy off the southern coast of the Lofoten Islands, Norway during the Second World War. A German squadron under Vizeadmiral Günther Lütjens consisting of the battleships Scharnhorst and Gneisenau met and engaged a British squadron under Admiral Sir William Whitworth consisting of the battlecruiser HMS Renown and nine destroyers.

Norway

Battle of the Metaxas Line

The Battle of the Metaxas Line (German: Kampf um die Metaxas-Linie), also known in Greece as the Battle of the Forts (Greek: Μάχη των Οχυρών), was the first battle during the German invasion of Greece in World War II. The Germans succeeded in capturing several individual forts but failed to breach the fortified Metaxas Line in general.

This entry records the event's end date, as given in the source infobox.

Bataan Death March

The Bataan Death March was the forcible transfer by the Imperial Japanese Army of around 72,000 to 78,000 Filipino (about 66,000) and American (about 12,000) prisoners of war (POWs) from the municipalities of Bagac and Mariveles on the Bataan Peninsula to Camp O'Donnell via San Fernando. The transfer began on April 9, 1942, after the three-month Battle of Bataan in the Philippines during World War II.

Philippines

Battle of Bataan

The Battle of Bataan (Filipino: Labanan sa Bataan; 7 January – 9 April 1942) was fought by the United States and the Philippine Commonwealth against the Empire of Japan during World War II. The battle represented the most intense phase of the Japanese invasion of the Philippines during World War II.

This entry records the event's end date, as given in the source infobox.

Philippines

Battle of Königsberg

The Battle of Königsberg, also known as the Königsberg offensive, was one of the last operations of the East Prussian offensive during World War II. In four days of urban warfare, Soviet forces of the 1st Baltic Front and the 3rd Belorussian Front captured the city of Königsberg, present day Kaliningrad, Russia. The siege started in late January 1945 when the Soviets initially surrounded the city.

World War II: The Battle of Königsberg, in East Prussia, ends.

Dietrich Bonhoeffer, Lutheran pastor and anti-Nazi dissident, is executed by the Nazi regime

Dietrich Bonhoeffer (German: [ˈdiːtʁɪç ˈbɔnhøːfɐ] ; 4 February 1906 – 9 April 1945) was a German Lutheran pastor, neo-orthodox theologian and anti-Nazi dissident who was a key founding member of the Confessing Church. His writings on Christianity's role in the secular world have become widely influential; his 1937 book The Cost of Discipleship is described as a modern classic.

Burmese general election, 1947

General elections were held in Burma on 9 April 1947 to form the basis of a constituent assembly that would design a constitution once independence from the United Kingdom had been achieved. They were the first elections in Burma since its separation from India under the British Raj. Voter turnout was 49.8%. However, Aung San was assassinated three months later, resulting in U Nu becoming the first Prime Minister of Burma.

Myanmar

Tornado outbreak of April 9–11, 1947

From April 9–11, 1947, a significant tornado outbreak produced catastrophic effects over portions of the southern Great Plains, in the contiguous United States. The outbreak generated at least 12, and possibly 17 or more, tornadoes, many of which were significant. On Wednesday, April 9, a series of related tornadoes spawned by a single supercell, dubbed the Glazier–Higgins–Woodward tornadoes, swept through the U.S. states of Texas, Oklahoma, and Kansas.

Oklahoma, United States · Texas, United States

United Nations Security Council Resolution 22

United Nations Security Council Resolution 22 was adopted on 9 April 1947. The Council recommended that Albania and the United Kingdom take their dispute over the Corfu Channel incident to the International Court of Justice. Resolution 22 passed with eight votes to none. Poland and the Soviet Union abstained. The United Kingdom did not participate. On May 22, the United Kingdom brought the dispute to the ICJ, resulting in the Corfu Channel case.

Journey of Reconciliation

The Journey of Reconciliation, also called "First Freedom Ride", was a form of nonviolent direct action to challenge state segregation laws on interstate buses in the Southern United States. Bayard Rustin and 18 other men and women were the early organizers of the two-week journey that began on April 9, 1947. The participants started their journey in Washington, D.C., traveled as far south as North Carolina, before returning to Washington, D.C.

This entry records the event's start date, as given in the source infobox.

United States

Deir Yassin massacre

The Deir Yassin massacre took place on 9 April 1948, when Zionist paramilitaries attacked the village of Deir Yassin near Jerusalem, then part of Mandatory Palestine, killing at least 107 Palestinian Arab villagers, including women and children. The attack was conducted primarily by the Irgun and Lehi, who were supported by the Haganah and Palmach. The massacre was carried out despite the village having agreed to a non-aggression pact.

Jerusalem, Israel

La Violencia

La Violencia (Spanish pronunciation: [la βjoˈlensja], The Violence) was a ten-year wave of civil conflict and unrest in Colombia from 1948 to 1958, between the Colombian Conservative Party and the Colombian Liberal Party, mainly fought in the countryside. La Violencia is considered to have begun with the assassination on 9 April 1948 of Jorge Eliécer Gaitán, a Liberal Party presidential candidate and frontrunner for the 1949 November election.

This entry records the event's start date, as given in the source infobox.

1949 United Kingdom local elections

1949 United Kingdom local elections were held from 4 to 9 April 1949. The County Council elections resulted in gains for both the governing Labour Party and opposition Conservative Party at the Liberals' expense. However, Labour suffered heavy losses in the Borough elections. A remarkable feature of the elections was the tossup in the London County Council between Labour and the Conservatives, who each won 64 seats, with the Liberals retaining one seat, that of Sir Percy Harris in Bethnal Green.

This entry records the event's end date, as given in the source infobox.

United Kingdom

Operation Rugged

Operation Rugged was a military operation performed by the United Nations Command (UN) during the Korean War designed to advance the UN lines to positions north of the 38th Parallel designated the Kansas Line. The operation would be the first phase of the advance, being immediately succeeded by Operation Dauntless which would take the UN forces to the Wyoming Line 10 miles (16 km) to 20 miles (32 km) north of the 38th Parallel.

This entry records the event's end date, as given in the source infobox.

Japan Air Lines Flight 301

The crash of Japan Air Lines Flight 301 was an accident involving a Martin 2-0-2 of the Japanese airline Japan Air Lines on Mount Mihara, Izu Ōshima, Japan on 9 April 1952, killing all 37 people on board.

1957 New Mexico's at-large congressional district special election

The 1957 New Mexico's at-large congressional district special election was held on Tuesday April 9, 1957 to fill the vacancy caused by the death of At-Large representative John J. Dempsey. Lieutenant Governor Joseph Montoya won the special election by a margin of 6.04 percentage points. He would continue to represent New Mexico's at-large congressional district until 1964.

New Mexico, United States

NASA announced the following seven astronauts—known as the Mercury Seven—on April 9, 1959:

Project Mercury was the first human spaceflight program of the United States, running from 1958 through 1963. An early highlight of the Space Race, its goal was to put a man into Earth orbit and return him safely, ideally before the Soviet Union. Taken over from the US Air Force by the newly created civilian space agency NASA, it conducted 20 uncrewed developmental flights (some using animals), and six successful flights by astronauts.

Togolese general election, 1961

General elections were held in Togo on 9 April 1961, alongside a constitutional referendum. It was the first time the President had been directly elected, and Prime Minister Sylvanus Olympio of the Party of Togolese Unity was the only candidate. He was elected unopposed, with the PUT won all 52 seats in the National Assembly. Voter turnout was 90.0%.

Togo

1961 South Vietnamese presidential election

Presidential elections were held in South Vietnam on 9 April 1961. The result was a victory for Ngô Đình Diệm, who received 89% of the vote.

Greater London Council election, 1964

The first election to the Greater London Council (GLC) was held on 9 April 1964.

United Kingdom

Operation Desert Hawk

Operation Desert Hawk was the codename of a military operation planned and executed by the Pakistan Army in the Rann of Kutch area, the disputed area which was under Indian control from the long-standing status quo. The boundary of Rann of Kutch was one of the few un-demarcated boundaries pending since the 1947 partition of India.

This entry records the event's start date, as given in the source infobox.

1966 Niuean general election

General elections were held in Niue on 9 April 1966.

Niue

1968 Sioux Falls mayoral special election

The 1968 Sioux Falls mayoral special election took place on April 23, 1968, following a primary election on April 9, 1968. Mayor V. L. Crusinberry, first elected in the 1961 recall election and re-elected unopposed in 1964, died on December 12, 1967. The City Commission voted to hold a special election on April 9. City Auditor G.

This entry records the listed event date, as dated in the source infobox.

United States

Greater London Council election, 1970

The third election to the Greater London Council was held on 9 April 1970 and saw a Conservative victory with a reduced majority.

United Kingdom

1973 Samita border skirmish

Following the deterring effect of Operation Vantage and a coup in Iraq, Kuwait and Iraq signed a recognition draft in 1963, however the agreement, never ratified, remained non-binding and was eventually dismissed by the revolutionary council. Both countries had ongoing border disputes throughout most of the 1960s, although often restrained within the climate of Arab solidarity.

This entry records the event's end date, as given in the source infobox.

Kuwait

1974 Sioux Falls mayoral election

The 1974 Sioux Falls mayoral election took place on April 23, 1974, following a primary election on April 9, 1974. Incumbent Mayor Mike Schirmer, who was first elected in a 1968 special election and re-elected unopposed in 1969, ran for re-election. He placed first in the primary with 44 percent of the vote.

This entry records the listed event date, as dated in the source infobox.

United States

1978 Somali coup attempt

The 1978 Somali coup attempt was a violent military coup attempt that took place in Somalia (then Somali Democratic Republic) on 9 April 1978, against the regime of President Siad Barre. The United States Central Intelligence Agency estimated that the coup, led by Colonel Mohamed Osman Irro, involved around 24 officers, 2,000 soldiers, and 65 tanks. Following the failed coup, 17 alleged ringleaders, including Osman, were summarily executed by firing squad.

Somalia

Panjshir offensives (Soviet–Afghan War)

The Panjshir offensives (Russian: Панджшерские операции – Panjsher Operations) were a series of battles from 1980 to 1985 between the Soviet Army, the Afghan Armed Forces and groups of Afghan mujahideen under Ahmad Shah Massoud. The goal of these offensives was control of the strategic Panjshir Valley in Afghanistan, during the Soviet–Afghan War of the 1980s. These battles saw some of the most violent fighting of the whole war.

This entry records the event's start date, as given in the source infobox.

Afghanistan

April 1981 Fermanagh and South Tyrone by-election

The 1981 by-election held in Fermanagh and South Tyrone on 9 April 1981 is considered by many to be the most significant by-election held in Northern Ireland during the Troubles. It saw the first electoral victory for militant Irish republicanism, which the following year entered electoral politics in full force as Sinn Féin. The successful candidate was the IRA hunger striker Bobby Sands, who died twenty-six days later.

United Kingdom

1983 Kenering by-election

The 1983 Kenering by-election is a by-election for the Perak State Legislative Assembly seat of Kenering in Perak, Malaysia that were held on 9 April 1983. It was called following the resignation of the incumbent, Wan Mohamed Wan Teh on 22 February 1983.

Malaysia

1985 Los Angeles mayoral election

The 1985 Los Angeles mayoral election took place on April 9, 1985. Incumbent Tom Bradley was re-elected over councilmember John Ferraro. Bradley's re-election would give him a fourth term, an unprecedented feat in the office as no mayor except for James R. Toberman (from 1878 to 1882) had been re-elected to a fourth consecutive term.

Operation Karbala-9

Operation Karbala-9 (Persian: عملیات کربلای 9) was an offensive operation in Iran–Iraq War, which was launched by Islamic Republic of Iran Army with the operation code of "Ya Mahdi, Adrekni" (Persian/Arabic: یا مهدی ادرکنی) on 9 April 1987. This operation ended inconclusively, and Iran had very large casualties from the numerous Iraqi traps.

Iran

1988 Groom by-election

A by-election was held for the Australian House of Representatives seat of Groom on 9 April 1988. It was triggered by the resignation of National Party MP Tom McVeigh. The by-election was won by Liberal Party candidate Bill Taylor. A month before the poll, Taylor was publicly backed by former Queensland premier Sir Joh Bjelke-Petersen, who had been forced to resign as premier several months earlier, after losing the support of his National Party colleagues.

Massacre of Tbilisi

Massacre of Tbilisi (also known as the Tbilisi tragedy or April 9 Tragedy) refers to the events in Tbilisi, Georgian Soviet Socialist Republic, on April 9, 1989, when an anti-Soviet, pro-independence and nationalist demonstration was crushed by the Soviet Army, resulting in 21 deaths and hundreds of injuries. April 9 is now remembered as National Unity Day (Georgian: ეროვნული ერთიანობის დღე, romanized: erovnuli ertianobis dghe), an annual public holiday.

1989 Football League Cup final

The 1989 Football League Cup final was a football match played on 9 April 1989 between Nottingham Forest and the League Cup holders Luton Town at Wembley Stadium. Nottingham Forest claimed a third title with a 3–1 victory. Luton opened the scoring in the first half with a header from Mick Harford, while Forest's Lee Chapman had a goal disallowed at the other end.

Mauritania–Senegal Border War

The Mauritania–Senegal Border War was a conflict fought between the West African countries of Mauritania and Senegal along their shared border from 1989 to 1991. The conflict began around disputes over the two countries' River Senegal border and grazing rights. The conflict resulted in the rupture of diplomatic relations between the two countries for several years, the creation of thousands of refugees from both sides, as well as having a significant impact on domestic Senegalese politics.

This entry records the event's start date, as given in the source infobox.

Downpatrick landmine attack

On 9 April 1990, the South Down Brigade of the Provisional Irish Republican Army (IRA) detonated a massive improvised land mine under a British Army convoy outside Downpatrick, County Down, Northern Ireland. Four soldiers of the Ulster Defence Regiment (UDR) were killed, the regiment's greatest loss of life since 1983.

Northern Ireland, United Kingdom

Atlantic Southeast Airlines Flight 2254

On April 9, 1990, Atlantic Southeast Airlines Flight 2254, a scheduled passenger flight from Muscle Shoals, Alabama, to Gadsden, Alabama, to Atlanta, Georgia, was involved in a mid-air collision with a Cessna 172 over Gadsden. The collision resulted in the death of the pilot and passenger of the Cessna 172, whereas the Embraer 120 landed safely, saving all seven people on board.

1991 Jacksonville mayoral election

The 1991 Jacksonville mayoral election took place on April 9, 1991. Incumbent Mayor Tommy Hazouri, a Democrat, ran for re-election to a second term. He was challenged in the Democratic primary by State Attorney Ed Austin. Austin narrowly defeated Hazouri, 51–49 percent. No other candidates filed for the race, and Austin was elected unopposed. This was the last election to take place with separate party primaries.

Florida, United States

United Kingdom general election, 1992

The United Kingdom general election of 1992 was held on 9 April 1992, and was the fourth consecutive victory for the Conservative Party. It was the last outright win for the Conservatives until 2015. This election result took many by surprise, as opinion polling leading up to the election day had shown the Labour Party, under leader Neil Kinnock, consistently, if narrowly, ahead. John Major had won the leadership election in November 1990 following the resignation of Margaret Thatcher. During his term leading up to the 1992 election he oversaw the British involvement in the Gulf War, introduced legislation to replace the unpopular Community Charge with Council Tax, and signed the Maastricht treaty.

United Kingdom

1992 United Kingdom general election in Northern Ireland

On 9 April 1992, the 1992 United Kingdom general election was held in Northern Ireland, to elect all 651 members of the House of Commons, including the 17 Northern Ireland seats. 1,124,900 people were eligible to vote, up 34,511 from the 1987 general election. 70.02% of eligible voters turned out (when including spoiled ballots), down 2.6 percentage points from the last general election.

United Kingdom

1992 United Kingdom general election in England

On Thursday 9 April 1992, the 1992 United Kingdom general election was held in England, to elect all 651 members of the House of Commons, with 524 constituencies being in England. John Major's Conservative Party won a decisive majority of English seats for the fourth successive election, although the Labour Party made substantial gains.

England, United Kingdom

1992 United Kingdom general election in Scotland

A general election was held in the United Kingdom on 9 April 1992 and all 72 seats in Scotland were contested. Two Scottish seats changed parties during the election; Aberdeen South and Kincardine and Deeside. Both seats were gained by the Conservatives. Kincardine and Deeside had been lost by the Conservatives to the Liberal Democrats in the last by-election of the parliament.

Scotland, United Kingdom

1992 United Kingdom general election in Wales

On Thursday 9 April 1992, the 1992 United Kingdom general election was held in Wales, to elect all 651 members of the House of Commons, with 38 constituencies being in Wales. The Labour Party again won a decisive majority of Welsh MPs, gaining three seats for a total of 27 out of 38. The Conservatives lost two Welsh MPs, Plaid Cymru gained one and the Liberal Democrats lost two of their three Welsh MPs.

Wales, United Kingdom

Peruvian general election, 1995

General elections were held in Peru on 9 April 1995, the first under the 1993 constitution. Incumbent President Alberto Fujimori was re-elected with 64% of the vote, whilst his Cambio 90 party won a majority of seats in the newly unicameral Congress.

Peru

1995 Zimbabwean parliamentary election

Parliamentary elections were held in Zimbabwe on 8 and 9 April 1995 to elect members to the House of Assembly of Zimbabwe. The ruling Zimbabwe African National Union - Patriotic Front won an overwhelming majority of the seats. There were 120 constituencies but 55 members were returned unopposed. The elections were not free and fair, as the authoritarian ZANU-PF party abused election rules and intimidated the opposition.

Zimbabwe

1995 Hokkaido gubernatorial election

A gubernatorial election was held on 9 April 1995 to elect the Governor of Hokkaido Prefecture.

Hokkaido, Japan

1995 Recopa Sudamericana

The 1995 Recopa Sudamericana was the seventh Recopa Sudamericana, an annual football match between the winners of the previous season's Copa Libertadores and Supercopa Sudamericana competitions. The all-Argentinian final took place in the neutral venue of the National Olympic Stadium of Tokyo. The match was contested by Vélez Sársfield, winners of the 1994 Copa Libertadores, and Independiente, winners of the 1994 Supercopa Sudamericana, on April 9, 1995.

1995 Saga gubernatorial election

A gubernatorial election was held on 9 April 1995 to elect the Governor of Saga Prefecture. Incumbent Isamu Imoto was re-elected.

Capture of Lubumbashi

The capture of Lubumbashi took place in April 1997, during the First Congo War in southern Zaire (now the Democratic Republic of Congo). The rebels of the Alliance des forces démocratiques pour la libération du Congo (AFDL) took the city of Lubumbashi from the Zairean armed forces (FAZ) loyal to President Mobutu Sese Seko. The city, capital of the mining province of Katanga, was targeted by rebels following their conquest of eastern Zaire.

Djiboutian presidential election, 1999

Presidential elections were held in Djibouti on 9 April 1999. Following the retirement of Hassan Gouled Aptidon, who had served as President since independence in 1977, his nephew Ismail Omar Guelleh won the nomination of the ruling People's Rally for Progress. His only opponent was Ahmed-Idriss Moussa who ran as an independent, with the support of the National Democratic Party-Democratic Renewal Party coalition.

Djibouti

1999 Nigerien coup d'état

The 1999 Nigerien coup d'état occurred on 9 April 1999 and resulted in the death of President Ibrahim Baré Maïnassara and the installation of Daouda Malam Wanké as President on 11 April. Maïnassara was killed at a military base, possibly by members of the Presidential Guard.

Niger

1999 Brown County, Wisconsin Executive election

The 1999 Brown County, Wisconsin Executive election took place on April 9, 1999. Incumbent County Executive Nancy Nusbaum, who was elected in a 1995 special election, ran for re-election to a second term. She was challenged by Norbert Dantinne Jr., the Chairman of the Humboldt Town Board and one of Nusbaum's opponents in her first election. Nusbaum ultimately defeated Dantinne to win her second term, receiving 54 percent of the vote.

Wisconsin, United States

1999 Liga Indonesia Premier Division final

The 1999 Liga Indonesia Premier Division final was a football match which was played on 9 April 1999 at Klabat Stadium in Manado. It was contested by Persebaya Surabaya and PSIS Semarang to determine the winner of the 1998–99 Liga Indonesia Premier Division. PSIS won the match 1–0 thanks to a late goal from Tugiyo. With the result, PSIS claim their first-ever professional title.

Death of Ibrahim Baré Maïnassara

General Ibrahim Baré Maïnassara (9 May 1949 – 9 April 1999) was a Nigerien military officer and diplomat who ruled Niger from 1996 until his assassination in 1999. He seized and lost power in military coups. Baré Maïnassara, a Maouri, a subgroup of Niger's Hausa ethnic majority, was born in Dogondoutchi in 1949 and pursued a military career.

Greek legislative election, 2000

Parliamentary elections were held in Greece on 9 April 2000. The ruling Panhellenic Socialist Movement (PASOK) of Prime Minister Costas Simitis was narrowly re-elected, defeating the conservative New Democracy party. Simitis formed his third cabinet.

Greece

2000 Georgian presidential election

Presidential elections were held in Georgia on 9 April 2000. The result was a victory for Eduard Shevardnadze of the Union of Citizens of Georgia, who received 82% of the vote, with a 76% turnout.

Georgia

Tonga 0–22 Australia

On 9 April 2001, Tonga and Australia played an international soccer match at the International Sports Stadium in Coffs Harbour in the Australian state of New South Wales. The match was an Oceania Football Confederation (OFC) first round qualifying match for the 2002 FIFA World Cup. Tonga, nominally the home team for this round robin qualifying match, were defeated 0–22 by Australia.

2002 Long Beach, California, mayoral election

Long Beach, California, held an election for mayor on April 9, 2002 and June 4, 2002. It saw the reelection of Beverly O'Neill to an unprecedented third term. O'Neill had to run as a write-in, as she was otherwise term limited. In the runoff she faced city councilman Dan Baker and write-in Norm Ryan.

2002 Sioux Falls mayoral election

The 2002 Sioux Falls mayoral election took place on April 23, 2002, following a primary election on April 9, 2002. Incumbent Mayor Gary W. Hanson was term-limited and could not seek a third consecutive term. Seven candidates ran to succeed Nelson, and because no candidate won a majority in the first round, a runoff election was held.

This entry records the listed event date, as dated in the source infobox.

United States

Iraqi insurgency (2003–2011)

The Iraqi insurgency lasted from 2003 until 2011, beginning shortly after the 2003 American invasion deposed longtime leader Saddam Hussein, and lasting until the end of the Iraq War and U.S. withdrawal in 2011. It was followed by a renewed insurgency. The initial outbreak of violence (the 2003–2006 phase) was triggered by the fall and preceded the establishment of the new Iraqi government by the Multi-National Force – Iraq (MNF–I), which was led by the U.S.

This entry records the event's start date, as given in the source infobox.

Iraq

Battle of Baghdad (2003)

The Battle of Baghdad (Arabic: مَعْرَكَةُ بَغْدَاد, romanized: Maʿrakatu baghdād), also known as the Fall of Baghdad (Arabic: سُقُوطُ بَغْدَاد, romanized: suqūṭu baghdād), was a military engagement that took place in Baghdad in early April 2003, as part of the invasion of Iraq. Three weeks into the invasion of Iraq, Coalition Forces Land Component Command elements, led by the U.S. Army 3rd Infantry Division, captured Baghdad.

This entry records the event's end date, as given in the source infobox.

Iraq

2004 Good Friday ambush

The 2004 Good Friday ambush was an attack by Iraqi insurgents on April 9, 2004 during the Iraq War on a convoy of United States supply trucks during the Battle of Baghdad International Airport. It happened in the midst of the Iraq spring fighting of 2004, which saw intensified clashes throughout the country.

Baghdad, Iraq

Italian Senate election in Lombardy, 2006

Lombardy renewed its delegation to the Italian Senate on April 9, 2006. This election was a part of national Italian general election of 2006 even if, according to the Italian Constitution, every senatorial challenge in each Region is a single and independent race. Differently from the national result, the election was won by the centre-right coalition of the House of Freedoms. Forza Italia was the largest party in the election with 28%, ahead of the Democrats of the Left (12%) and Lega Nord (11%). Eleven provinces gave a majority or a plurality to Silvio Berlusconi's alliance, while voters of the Province of Mantua supported the new Italian Prime Minister Romano Prodi.

Lombardy, Italy

Hungarian parliamentary election, 2006

Parliamentary elections were held in Hungary on 9 April 2006, with a second round of voting in 110 of the 176 single-member constituencies on 23 April. The Hungarian Socialist Party emerged as the largest party in the National Assembly with 186 of the 386 seats, and continued the coalition government with the Alliance of Free Democrats. It marked the first time a government had been re-elected since the end of Communist rule.

Hungary

2006 Kyoto gubernatorial election

The 2006 Kyoto gubernatorial election was held on 9 April 2006 to elect the next governor of Kyoto (京都府, Kyoto-fu), a prefecture of Japan located in the Kansai region of Honshu island. Governor Keiji Yamada was re-elected for a second term, defeating Kinugasa Yoko with 65.62% of the vote.

2006 Italian general election

The 2006 Italian general election was held on 9 and 10 April 2006. Romano Prodi, leader of the centre-left coalition The Union, narrowly defeated the incumbent Prime Minister Silvio Berlusconi, leader of the centre-right coalition House of Freedoms. Initial exit polls suggested a victory for Prodi, but the results narrowed as the count progressed. On 11 April 2006, Prodi declared victory; Berlusconi never conceded defeat and an ensuing dispute formed.

This entry records the event's start date, as given in the source infobox.

Italy

East Timorese presidential election, 2007

The 2007 East Timorese presidential election involved two separate votes. The first, on 9 April 2007 eliminated six of the eight nominees. The remaining two candidates, current Prime Minister José Ramos-Horta and Revolutionary Front for an Independent East Timor (FRETILIN) President Francisco Guterres, faced each other in a runoff election on 9 May 2007. Ramos-Horta won the second round with 69% of the vote.

Timor-Leste

South Korean legislative election, 2008

Legislative elections were held in South Korea on April 9, 2008. The conservative Grand National Party won 153 of 299 seats while the main opposition United Democratic Party won 81 seats. This election marked the lowest-ever voter turnout of 46.0%.

South Korea

April 2009 raid off Somalia

The April 2009 raid off Somalia was a military operation conducted by France and Germany to retake the French yacht Tanit on 9 April 2009, a yacht which had been captured by Somali pirates on April 4, 2009. It occurred during Operation Atalanta, a European Union mission in Somali waters. The pirates had attempted to extract a ransom by holding the yacht's occupants hostage, but were ultimately defeated when the French Navy assaulted them.

Somalia

Algerian presidential election, 2009

A presidential election was held in Algeria on 9 April 2009.

Algeria

Strikeforce: Diaz vs. Daley

Strikeforce: Diaz vs. Daley was a mixed martial arts event held by Strikeforce, the event took place on April 9, 2011, at the Valley View Casino Center in San Diego, California.

San Diego, United States

Alphen aan den Rijn shopping mall shooting

On 9 April 2011, six people were killed by a gunman who entered the Ridderhof mall in Alphen aan den Rijn, Netherlands, a town approximately 33 kilometres (21 mi) south-west of Amsterdam. Using a rifle, 24-year-old Tristan van der Vlis shot several people and then killed himself, reportedly with a different firearm.

Netherlands

2012 Aceh gubernatorial election

An election was held on 9 April 2012 for the governorship and deputy-governorship of Aceh. Incumbent governor Irwandi Yusuf ran as an independent, while former exile and Free Aceh Movement (GAM) activist Zaini Abdullah competed for the governorship on behalf of the Aceh Party with Muzakir Manaf as running mate. The election was the second to take place in the devolved Aceh region since the post-earthquake/tsunami Helsinki agreement between the Indonesian government and the GAM.

Indonesia

Illinois's 2nd congressional district special election, 2013

A special election for Illinois' 2nd congressional district was held on April 9, 2013, to fill a seat in the United States House of Representatives for Illinois's 2nd congressional district, after Representative Jesse Jackson, Jr. resigned on November 21, 2012. The special election was required to be held within 115 days of Jackson's resignation. It was won by Democratic candidate Robin Kelly, formerly the Chief Administrative Officer of Cook County. Pat Quinn, the Governor of Illinois, set the primary elections for February 26, coinciding with municipal primary elections, and initially set the general election for March 19.

Illinois, United States

Velika Ivanča shooting

A spree shooting occurred in the Serbian village of Velika Ivanča in the early hours of 9 April 2013. Thirteen people were killed and one, the gunman's wife, was injured. Police identified the gunman as 60-year-old Ljubiša Bogdanović, a relative of many of the victims. Bogdanović died of his injuries two days later on 11 April 2013.

2013 United States House of Representatives elections

These six off-year races featured special elections to the 113th United States Congress to fill vacancies due to resignations in the United States House of Representatives. Two were due to Congressmen taking seats in the United States Senate, one resigned to take jobs in the private sector, one resigned to take a job in the public sector, and one resigned due to an impending federal indictment regarding misuse of campaign funds.

This entry records the event's start date, as given in the source infobox.

United States

Arunachal Pradesh Legislative Assembly election, 2014

The Arunachal Pradesh Legislative Assembly election, 2014 took place on 9 April 2014 along with parliamentary election 2014. The votes were counted on 16 May 2014. The election was held in the state for all 60 seats of the Arunachal Pradesh Legislative Assembly.

India

Clausura 2014 Copa MX final

The Clausura 2014 Copa MX final was the final of the Clausura 2014 Copa MX the fourth edition of the Copa MX under its current format and 71st overall organized by the Mexican Football Federation, the governing body of association football in Mexico. The final is contested in a single leg format between a Liga MX club, UANL and an Ascenso MX club, Oaxaca, which is the first time a Liga MX and Ascenso MX team met in the final. The leg was hosted by UANL at Estadio Universitario in San Nicolás de los Garza, Nuevo León on April 9, 2014.

Mexico

2014 Lampung gubernatorial election

The 2014 Lampung gubernatorial election took part on 9 April 2014, simultaneous with national legislative elections in Indonesia. It was the second direct election for Lampung's governor. Four pairs of candidates contested the election, with Muhammad Ridho Ficardo winning a plurality of the votes.

Indonesia

Hama and Homs offensive (March–April 2015)

The Hama and Homs offensive (March–April 2015) during the Syrian Civil War was launched by the Islamic State of Iraq and the Levant (ISIL) in an attempt to cut the government supply line between its troops in central and northern Syria.

This entry records the event's end date, as given in the source infobox.

Syria

2016 Colorado Republican presidential caucuses

The 2016 Colorado Republican presidential caucuses took place in early April in the U.S. state of Colorado, as a part of the Republican Party's series of presidential primaries ahead of the 2016 presidential election. The Colorado contest consisted of a series of congressional district conventions on April 2, 7 and 8 and a state convention on April 9.

United States

2016 Wyoming Democratic presidential caucuses

The 2016 Wyoming Democratic presidential caucuses were held on April 9 in the U.S. state of Wyoming, representing the first tier of the Wyoming Democratic Party's nomination contest for the 2016 presidential election. Only registered Democrats were allowed to participate in the closed precinct caucuses. Vermont Senator Bernie Sanders won the contest with 55.7% of the county delegates, distancing the national frontrunner, former Secretary of State Hillary Clinton by more than 10%.

United States

2017 Finnish municipal elections

Municipal elections were held in Finland on 9 April 2017 with advance voting between 29 March and 4 April. The councils in 295 municipalities in Finland (excluding Åland) were elected. Several municipalities altered the size of their councils (mainly because of municipal mergers) before the elections which resulted in reduction of seats available from 9,674 to 8,999.

Finland

Palm Sunday church bombings

On Palm Sunday, 9 April 2017, twin suicide bombings took place at St. George's Church in the northern Egyptian city of Tanta on the Nile Delta, and Saint Mark's Coptic Orthodox Cathedral, the principal church in Alexandria, seat of the Coptic papacy. At least 43 people were reported killed and 789 injured. The attacks were carried out by a security detachment of ISIS.

Egypt

2017 South Ossetian presidential election

Presidential elections were held in South Ossetia on 9 April 2017 alongside a referendum on changing the official name of the state to "Republic of South Ossetia–the State of Alania", or "South Ossetia–Alania" for short. Incumbent President Leonid Tibilov ran for a second and final term in office, but was defeated by Anatoly Bibilov of the United Ossetia party.

On 9 April 2019, a JASDF F-35A (tail number 79-8705) attached to Misawa Air Base crashed east of the Aomori Prefecture during a training mission over the Pacific Ocean at an estimated speed of Mach 0.9

The Lockheed Martin F-35 Lightning II is an American family of single-seat, single-engine, supersonic stealth strike fighters. A multirole combat aircraft designed for air superiority and strike missions, it also has electronic warfare and intelligence, surveillance, and reconnaissance capabilities. Lockheed Martin is the prime contractor, with partners Northrop Grumman and BAE Systems.

Soyuz MS-16

Soyuz MS-16 was a Soyuz spaceflight launched on 9 April 2020, which transported three members of the Expedition 62/63 crew to the International Space Station. This flight was the first crewed launch using the Soyuz 2.1a launch vehicle, and the first crewed Russian mission not to launch from Gagarin's Start since Soyuz MS-02 in 2016.

Bago massacre

The Bago massacre was a mass killing of civilians on Friday, 9 April 2021, in the city of Bago, Myanmar. During the massacre, Myanmar Army troops and Myanmar Police Force officers killed at least eighty-two civilians. At the time, the massacre became the single deadliest domestic event to occur since the 2021 Myanmar coup d'état, preceded by the Hlaingthaya massacre less than a month earlier.

Myanmar

2021 Djiboutian presidential election

Presidential elections were held in Djibouti on 9 April 2021. Incumbent president Ismaïl Omar Guelleh was re-elected for his fifth five-year term, having served in the role since 1999. Most of the opposition boycotted the election.

Djibouti

2021 Samoan general election

General elections were held in Samoa on 9 April 2021 to determine the composition of the 17th Parliament. The Human Rights Protection Party (HRPP), which had been in government for most of the time since 1982, was led into the election by Tuilaʻepa Saʻilele Malielegaoi, who had served as prime minister since 1998.

Samoa

April 2021 Czech Social Democratic Party leadership election

A leadership election for the Czech Social Democratic Party (ČSSD) was held on 9 April 2021. Jan Hamáček was reelected as party leader.

Czechia

Bellator 256

Bellator 256: Bader vs. Machida 2 was a mixed martial arts event produced by Bellator MMA that took place on April 9, 2021, at Mohegan Sun Arena in Uncasville, Connecticut.

Connecticut, United States

Soyuz MS-18

Soyuz MS-18 (spacecraft named "Y. A. Gagarin") was a Soyuz spaceflight that was launched on 9 April 2021 at 07:42:41 UTC. It transported three members of the Expedition 64 crew to the International Space Station (ISS). Soyuz MS-18 was the 146th crewed flight of a Soyuz spacecraft. The launching crew consisted of a Russian commander, a Russian flight engineer, and an American flight engineer of NASA.

UFC 273

UFC 273: Volkanovski vs. The Korean Zombie was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 9, 2022, at VyStar Veterans Memorial Arena in Jacksonville, Florida, United States.

Florida, United States

2022 Civic Democratic Party leadership election

The Civic Democratic Party (ODS) held a leadership election on 9 April 2022, following the 2021 Czech parliamentary election.

Czechia

Hyper Battle '22

Hyper Battle '22 was a professional wrestling event produced by New Japan Pro-Wrestling (NJPW). It took place on April 9, 2022 in Tokyo at Ryōgoku Kokugikan. The event was named after the Hyper Battle events which originally took place from 1993 until 2004.

Tokyo, Japan

2023 Hokkaido gubernatorial election

The 2023 Hokkaido gubernatorial election was held on 9 April 2023, to elect the next governor of Hokkaido Prefecture. It was held as part of the 2023 Japanese unified local elections. The incumbent governor of Hokkaido, independent candidate, Naomichi Suzuki, won his second landslide victory. This time against Constitutional Democratic Party of Japan candidate Maki Ikeda. Maki Ikeda, a newcomer candidate, attempted to position herself as a competent competitor to Suzuki.

Hokkaido, Japan

2023 Osaka mayoral election

The 2023 Osaka mayoral election took place on 9 April 2023 as part of the 20th unified local elections to elect the next mayor of Osaka. Incumbent mayor Ichiro Matsui decided not to seek a second term as mayor of Osaka, opting instead to retire from politics at the end of his term. The election resulted in a landslide victory for Hideyuki Yokoyama, the candidate from the Osaka Restoration Association, who secured 64.56% of the vote.

Osaka, Japan

2023 Osaka gubernatorial election

The 2023 Osaka Prefecture Gubernatorial election was held on 9 April 2023 as part of the 20th unified local elections. Incumbent Governor Hirofumi Yoshimura won re-election to a second term, defeating Taniguchi Mayumi who was supported by the Liberal Democratic Party, Constitutional Democratic Party and several minor candidates.

Osaka, Japan

Plaque Point attack

On April 9, 2023, jihadists attacked a convoy of Nigerien soldiers returning from the Tabarkat gold mine along the Tagharaba-Arlit road near an area called Plaque Point. Five soldiers were killed in the attack. The perpetrators of the attack are unknown.

Niger

2023 Kanagawa gubernatorial election

The 2023 Kanagawa gubernatorial election was held on April 9, 2023, as part of 2023 Japanese unified local elections, to elect the next governor of Kanagawa. The election resulted in a victory for the incumbent governor Yūji Kuroiwa. The election occurred the same day as the 2023 Sagamihara mayoral election and the 2023 Kanagawa prefectural assembly election.

2023 Nara gubernatorial election

The 2023 Nara gubernatorial election was held on 9 April 2023 as part of the 20th unified elections to elect the next governor of Nara Prefecture, Japan. The election was close, with Makoto Yamashita of the Japan Innovation Party winning with a 44.41% minority, defeating incumbent Liberal Democratic Party candidate Shōgo Arai. This marks the first time a member of the Japan Restoration Party was elected outside of Osaka Prefecture.

2023 Fukui gubernatorial election

The 2023 Fukui gubernatorial election was held on 9 April 2023, to elect the next governor of Fukui Prefecture. It was held as part of the 2023 Japanese unified local elections. The incumbent governor of Fukui, an independent candidate, who was supported by the Liberal Democratic Party, Komeito, and the Constitutional Democratic Party, was reelected to a second term with a landslide victory.

2023 Shizuoka mayoral election

The 2023 Shizuoka Mayoral Election was held on 9 April 2023, to elect the new mayor of Shizuoka. It was held as part of the 2023 Japanese unified local elections. The election saw newcomer candidate Takashi Namba, emerging victorious. Despite three major candidates running, Namba secured 57.99% of the vote. Support for Namba came from across the political aisle.

2023 Tottori gubernatorial election

The 2023 Tottori gubernatorial election was held on 9 April 2023 to elect the next governor of Tottori. The incumbent Liberal Democratic Party governor won in a landslide re-election. It was held as part of the 2023 Japanese unified local elections. The candidates were shared with the previous election, making this election an electoral rematch.

2023 Hiroshima mayoral election

The 2023 Hiroshima Mayoral Election was held on April 9th, 2023, to elect the new mayor of Hiroshima. It was held as part of the 2023 Japanese unified local elections. The election saw incumbent mayor Kazumi Matsui winning a landslide victory for re-election. His majority of 80% of the vote was followed by Atsumi Takami, a member of the Japanese Communist Party, with 11.3% of the vote.

2023 Hamamatsu mayoral election

The 2023 Hamamatsu Mayoral Election was held on April 9, 2023, to elect the new mayor of Hamamatsu. It was held as part of the 2023 Japanese unified local elections. The election saw newcomer candidate Yusuke Nakano, an independent with support from both the Liberal Democratic Party of Japan and Komeito, winning a landslide victory. He was opposed by Hiroshi Shimada, an independent supported by the Japanese Communist Party, with 19.7% of the vote.

Fano insurgency

The Fano insurgency is an armed conflict and insurgency in the Amhara Region of Ethiopia that began in April 2023 between the Fano militia and the Ethiopian government. The conflict started after the government attempted to dissolve the Amhara Special Forces and other regional forces as part of a plan to reform and centralize the country's security apparatus, and integrate them into the federal armed forces.

This entry records the event's start date, as given in the source infobox.

2023 Japanese unified local elections

The 2023 Japanese unified local elections were held across the country on 9 and 23 April 2023. In total 15,047 candidates were elected in 1,008 races with a high of 1,685 in Hokkaido and a low of 1 in Okinawa. The ruling Liberal Democratic Party (LDP) scored a comfortable victory. Six LDP (and Komei) endorsed candidates won the governorship.

Japan