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Battle of Marathon

The Battle of Marathon took place in 490 BCE during the first Persian invasion of Greece. It was fought between the citizens of Athens, aided by Plataea, against a Persian force commanded by Datis and Artaphernes. The battle was the culmination of the first attempt by Persia under King Darius I to subjugate Greece. The Greek army inflicted a crushing defeat on the more numerous Persians, marking a turning point in the Greco-Persian Wars.

Battle of Muret

At the Battle of Muret on 12 September 1213 the Crusader army of Simon IV de Montfort defeated the Catharist, Aragonese and Catalan forces of Peter II of Aragon, at Muret near Toulouse.

Toulouse, France

Battle of Portopí

The Battle of Portopí (12 September 1229) was an open field military conflict between the Almohad troops that occupied the island of Majorca and the Christian army led by King James I the Conqueror with the aim of annexing it to the Crown of Aragon in order to expand their domain and return it back to Christiandom.

Treaty of Alcañices

The Treaty of Alcañices or Treaty of Alcanises was signed in Alcañices between King Denis of Portugal and King Fernando IV of Castile in 1297. Denis was the grandson of King Alfonso X of Castile and essentially an administrator and not a warrior king. He went to war with the kingdom of Castile in 1295, relinquishing the villages of Serpa and Moura, but gained Olivença and reaffirmed Portugal's possession of the Algarve and defined the modern borders between the two Iberian countries.

The Treaty of Alcañices, mediated by the pope, between the king Denis of Portugal and king Ferdinand IV of Castile defines the border between the two countries and establishes an alliance of friendship.

Reconquista: Castilian forces captured Gibraltar from the Emirate of Granada

The first siege of Gibraltar was a battle of the Spanish Reconquista that took place in 1309. The battle pitted the forces of the Crown of Castile (mostly those from the military councils of the city of Seville) under the command of Juan Núñez II de Lara and Alonso Pérez de Guzmán, against the forces of the Emirate of Granada who were under the command of Sultan Muhammed III and his brother, Abu'l-Juyush Nasr.

Battle of Abrolhos

The naval Battle of the Abrolhos took place on 12 September 1631 off the coast of Pernambuco, Brazil, during the Eighty Years' War. A joint Spanish-Portuguese fleet under admiral Antonio de Oquendo defeated the Dutch after a six-hour naval battle.

Pernambuco, Brazil

1634 Valletta explosion

On 12 September 1634, a Hospitaller gunpowder factory in Valletta, Malta accidentally blew up, killing 22 people and causing severe damage to a number of buildings. The factory had been built at some time in the late 16th or early 17th centuries, replacing an earlier one in Fort St. Angelo in Birgu. It was located in the lower part of Valletta, close to the Slaves' Prison. The explosion damaged the nearby Jesuit church and college. The church's façade was rebuilt in around 1647 by the architect Francesco Buonamici, while the damaged parts of the college were also rebuilt after the explosion.

Malta

Siege of Philippsburg (1644)

The siege of Philippsburg (25 August – 12 September 1644) was a French siege of the Rhine fortress of Philippsburg during the Thirty Years' War. After the battle of Freiburg in early August, the French under the Duc d'Enghien refrained from attacking the city and marched north to besiege the imperial-held Philippsburg instead. The place fell after a two-week siege.

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

Germany

Battle of Stirling (1648)

The second Battle of Stirling was fought on the 12 September 1648 during the Scottish Civil War of the 17th century.

Stirling, United Kingdom

Battle of Vienna

The Battle of Vienna (German: Schlacht am Kahlen Berge or Kahlenberg; Polish: bitwa pod Wiedniem or odsiecz wiedeńska; Modern Turkish: İkinci Viyana Kuşatması, Ottoman Turkish: Beç Ḳalʿası Muḥāṣarası) took place at Kahlenberg Mountain near Vienna on 12 September 1683 after the imperial city had been besieged by the Ottoman Empire for two months. The battle was fought by the Habsburg Monarchy, the Polish-Lithuanian Commonwealth and the Holy Roman Empire, under the command of King John III Sobieski against the invading Muslim Ottoman Empire and its vassal and tributary states.

Vienna, Austria

Polish–Ottoman War (1683–1699)

The Polish–Ottoman War or the War of the Holy League was the Polish side of the conflict that is otherwise known as the Great Turkish War. The conflict began with a Polish victory at the Battle of Vienna in 1683 and ended with the Treaty of Karlowitz, which restored to the Polish–Lithuanian Commonwealth lands lost in the previous Polish–Ottoman War (1672–76)).

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

Austria · Hungary · Serbia · Ukraine

Siege of Landau (1702)

The siege of Landau took place from 16 June to 12 September 1702, during the War of the Spanish Succession. An Imperial army led by Louis William, Margrave of Baden-Baden captured Landau, a fortress town in the Rhineland-Palatinate held by a French garrison commanded by the Comte de Mélac. The earliest actions from the war were focused in northern Italy in 1701, but military activity began in the Electoral Palatinate the following year.

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

Germany

Siege of Bouchain (1711)

The siege of Bouchain (9 August – 12 September 1711), following the Passage of the Lines of Ne Plus Ultra (5 August 1711), was a siege of the War of the Spanish Succession, and the last major victory of John Churchill, 1st Duke of Marlborough. Marlborough and François Nicolas Fagel broke through the French defensive lines and took Bouchain after a siege of 34 days.

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

France

1733 Polish–Lithuanian royal election

The 1733 Polish–Lithuanian royal election was an election to decide on the new candidate for the Polish–Lithuanian throne.

Battle of Avesnes-le-Sec

The Battle of Avesnes-le-Sec was a military action during the Flanders Campaign of the French Revolutionary Wars, between French forces under General Nicolas Declaye, and Imperial Austrian forces under Prince of Hohenlohe-Kirchberg. The Austrian cavalrymen made an overwhelming charge against the French and severely defeated them.

France

Battle of Berby

The Battle of Berby was fought on 12 September 1808, between Swedish and Norwegian forces, during the Dano-Swedish War of 1808–09. Ever since the Battle of Prestebakke, the western front had been relatively calm, until colonel Posse launched a reconnaissance towards the Norwegian positions around at Berby, under Andreas Samuel Krebs; the Swedes pushed the Norwegians in front of them, all the way to Berby itself, where the Norwegians made a sturdy hold.

Battle of North Point

The Battle of North Point was an engagement in the War of 1812, fought on September 12, 1814, between Brigadier General John Stricker's Third Brigade of the Maryland State Militia and a British landing force, composed of units from the British Army, Royal Navy seamen and Royal Marines, and led by Major General Robert Ross and Rear Admiral George Cockburn. The events and result of the engagement, a part of the larger Battle of Baltimore, saw the U.S. forces retreating after having inflicted heavy casualties on the British. One of the casualties was Ross, killed during the course of the battle by American sharpshooters.

Maryland, United States

Second Battle of Huachi

The Second Battle of Huachi was a confrontation that occurred on 12 September 1821 between pro-independence troops led by General Antonio José de Sucre and Royalist troops led by General Melchor Aymerich, president of the Real Audiencia of Quito. Sucre, after having won the Battle of Yaguachi on 19 August, advanced towards Quito.

1825 Maine gubernatorial election

The 1825 Maine gubernatorial election took place on September 12, 1825. Incumbent Democratic-Republican Governor Albion Parris won re-election to a record fifth term. He faced no opposition.

Maine, United States

Battle of Petra

The Battle of Petra was the final battle fought in the Greek War of Independence.

Greece

1831 Maine gubernatorial election

The 1831 Maine gubernatorial election took place on September 12, 1831. Incumbent Democratic Governor Samuel E. Smith was re-elected, defeating National Republican candidate Daniel Goodenow.

Maine, United States

1836 Maine gubernatorial election

The 1836 Maine gubernatorial election took place on September 12, 1836. Incumbent Democratic Governor Robert P. Dunlap won re-election to a fourth term.

Maine, United States

1838 Portuguese legislative election

Parliamentary elections were held in Portugal on 12 August and 12 September 1838.

Portugal

1842 Maine gubernatorial election

The 1842 Maine gubernatorial election was held on September 12, 1842, in order to elect the Governor of Maine. Incumbent Democratic Governor John Fairfield won re-election against Whig nominee and former U.S. Representative Edward Robinson and Liberty Party candidate James Appleton.

Maine, United States

Battle of One Tree Hill

The Battle of One Tree Hill was a major engagement during the Upper Brisbane–Lockyer campaign, that took place between European settlers and a war band of the Ugarapul and other Aboriginal groups in the Darling Downs area in the Colony of New South Wales in the 1840s, as part of the Australian frontier wars.

Australia

Mexican–American War: the Battle of Chapultepec begins

The Battle of Chapultepec took place between U.S. troops and Mexican forces holding the strategically located Chapultepec Castle on the outskirts of Mexico City on September 13, 1847 during the Mexican–American War. The castle was built atop a 200-foot (61 m) hill in 1783, and in 1833 it was converted into a military academy and a gunpowder storage facility. The hill was surrounded by a wall 1,600 yards long.

Federalism in Switzerland

The rise of federalism in Switzerland began on 12 September 1848, with the creation of a federal constitution in response to a 27-day civil war, the Sonderbundskrieg. The 1848 constitution represented the first time, other than when the short-lived Helvetic Republic had been imposed, that the Swiss had a central government instead of being simply a collection of autonomous cantons bound by treaties.

The rise of federalism in Switzerland began on 12 September 1848, with the creation of a federal constitution in response to a 27-day civil war, the Sonderbundskrieg.

1853 Maine gubernatorial election

The 1853 Maine gubernatorial election was held on September 12, 1853, in order to elect the governor of Maine. Incumbent Whig governor William G. Crosby defeated Democratic nominee Albert Pillsbury, Maine Law nominee Anson Morrill and Free Soil Party nominee and former member of the Maine Senate Ezekiel Holmes.

Maine, United States

1859 Maine gubernatorial election

The 1859 Maine gubernatorial election was held on September 12, 1859, in order to elect the governor of Maine. Incumbent Republican governor Lot M. Morrill won re-election against Democratic nominee Manassah H. Smith in a second rematch of the previous elections.

Maine, United States

Battle of Harpers Ferry

The Battle of Harpers Ferry was fought September 12–15, 1862, as part of the Maryland Campaign of the American Civil War. As Gen. Robert E. Lee's Confederate army invaded Maryland, a portion of his army under Maj. Gen. Thomas J. "Stonewall" Jackson surrounded, bombarded, and captured the Union garrison at Harpers Ferry, Virginia (now West Virginia), a major victory at relatively minor cost. As Lee's Army of Northern Virginia advanced down the Shenandoah Valley into Maryland, he planned to capture the garrison at Harpers Ferry to secure his line of supply back to Virginia. Although he was being pursued at a leisurely pace by Maj.

Jefferson County, West Virginia, United States · Loudoun County, Virginia, United States · Washington County, Maryland, United States

1864 Maine gubernatorial election

The 1864 Maine gubernatorial election was held on September 12, 1864, in order to elect the governor of Maine. Incumbent National Union governor Samuel Cony won re-election against Democratic nominee and former Justice of the Maine Supreme Judicial Court Joseph Howard.

Maine, United States

1870 Maine gubernatorial election

The 1870 Maine gubernatorial election was held on September 12, 1870. Republican candidate Sidney Perham defeated the Democratic candidate Charles W. Roberts.

Maine, United States

Battle of Paso Severino

The Battle of Paso Severino was the first battle of the Revolution of the Lances, an attempt by the Blancos, under Timoteo Aparicio, to overthrow the Colorado-led Government of Uruguay. The government forces under José Gregorio Suárez were defeated and they retreated overnight with the Blancos in pursuit.

Uruguay

Arbroath F.C. 36–0 Bon Accord F.C.

Arbroath F.C. 36–0 Bon Accord F.C. is the result of a football match between Arbroath and Bon Accord which took place on 12 September 1885. It holds the largest margin of victory in an unrigged first-class football match. A match between AS Adema and SO l'Emyrne, a thrown game where SO l'Emyrne scored 149 deliberate own goals in a protest against prior officiating decisions, took the title of most goals in a professional football match in 2002.

Salisbury, Rhodesia, is founded

Harare ( hə-RAR-ay) is the capital and largest city of Zimbabwe. The city proper has an area of 982.3 km2 (379.3 sq mi), a population of 1,849,600 as of the 2022 census, and an estimated 2,487,209 people in its metropolitan province. The city is situated in north-eastern Zimbabwe in the country's Mashonaland region. Harare Metropolitan Province incorporates the city and the municipalities of Chitungwiza, Epworth and Ruwa.

1892 Maine gubernatorial election

The 1892 Maine gubernatorial election was held on September 12, 1892, in order to elect the Governor of Maine. Republican nominee and former Attorney General of Maine Henry B. Cleaves defeated Democratic nominee Charles F. Johnson, Prohibition nominee Timothy B. Hussey, Populist nominee Luther C. Bateman and Labor nominee E. F. Knowlton.

Maine, United States

Battle of Saragarhi

The Battle of Saragarhi was a last-stand battle fought before the Tirah Campaign between the British Indian Empire and Afghan tribesmen. On 12 September 1897, an estimated 12,000–24,000 Orakzai and Afridi tribesmen were seen near Gogra, at Samana Suk, and around Saragarhi, cutting off Fort Gulistan from Fort Lockhart. The Afghans attacked the outpost of Saragarhi where thousands of them swarmed and surrounded the fort, preparing to assault it.

1898 Maine gubernatorial election

The 1898 Maine gubernatorial election took place on September 12, 1898. Incumbent Republican Governor Llewellyn Powers was re-elected to a second term in office, defeating Democratic candidate Samuel L. Lord.

Maine, United States

1904 Maine gubernatorial election

The 1904 Maine gubernatorial election took place on September 12, 1904. Incumbent Governor John Fremont Hill did not seek re-election. Republican candidate William T. Cobb defeated Democratic candidate Cyrus W. Davis.

Maine, United States

The Newport Transporter Bridge is opened in Newport, South Wales by Viscount Tredegar

The Newport Transporter Bridge (Welsh: Pont Gludo Casnewydd) is a transporter bridge that crosses the River Usk in Newport, South East Wales. The bridge is the lowest crossing on the river. Built in 1906, it is a Grade I listed structure. Only a few dozen transporter bridges were ever built, and fewer than 10 remain in use worldwide.

1910 Maine gubernatorial election

The 1910 Maine gubernatorial election took place on September 12, 1910. Incumbent Republican Governor Bert M. Fernald was defeated for re-election by Democratic candidate Frederick W. Plaisted. Plaisted was the first Democrat elected Governor of Maine since his father, Harris M. Plaisted, who won election as a Greenback-Democrat fusion candidate in 1880.

Maine, United States

1910 Arkansas gubernatorial election

The 1910 Arkansas gubernatorial election was held on September 12, 1910. Incumbent Democratic Governor George Washington Donaghey defeated Republican nominee Andrew I. Roland and Socialist nominee Dan Hogan with 67.44% of the vote.

Arkansas, United States

Second Revolution (Republic of China)

The Second Revolution (Chinese: 二次革命; pinyin: Èrcì Gémìng) was a failed 1913 revolt by the governors of several southern Chinese provinces and supporters of Sun Yat-sen's Kuomintang (KMT) against the Beiyang government of the Republic of China, led by Yuan Shikai. It was quickly defeated by Yuan's armies and led to the continued consolidation of Yuan's powers as President of the Republic of China.

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

People's Republic of China

Musa Dagh

Musa Dagh (Turkish: Musa Dağı; Armenian: Մուսա լեռ, romanized: Musa leṛ; Arabic: جبل موسى, romanized: Jebel Musa; meaning "Moses Mountain") is a mountain in the Hatay Province of Turkey. In 1915, it was the location of a successful Armenian resistance to the Armenian genocide, an event that inspired Franz Werfel to write the novel The Forty Days of Musa Dagh.

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

Battle of Mezőlivádia

The Battle of Mezőlivádia was a military engagement fought between Romanian and Central Powers (German and Austro-Hungarian) forces during the Romanian Campaign of the First World War. It was part of the Battle of Transylvania. This battle is notable for being the first Central Powers counterattack against the Romanian invasion of Transylvania, as well as the first military engagement during the Battle of Transylvania to involve German forces.

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

Monastir offensive

The Monastir offensive was an Allied military operation against the forces of the Central Powers during World War I, intended to break the deadlock on the Macedonian front by forcing the capitulation of Bulgaria and relieving the pressure on Romania. The offensive took the shape of a large battle and lasted for three months and ended with the capture of the town of Monastir.

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

North Macedonia

Eleventh Battle of the Isonzo

The Eleventh Battle of the Isonzo was a World War I battle fought by the Italian and Austro-Hungarian Armies on the Italian Front between 18 August and 12 September 1917.

Italy · Slovenia

Battle of Havrincourt

The Battle of Havrincourt was a World War I battle fought on 12 September 1918, involving the British Third Army (under the command of General Sir Julian Byng) against German troops, including those of the 3rd and 10th Corps, in the town of Havrincourt, France. Although these battles were relatively small achievements in light of what would follow it marked the first time that the Hindenberg Line was pierced [at Havrincourt].

France

Southern Front counteroffensive

The August counter-offensive of the Southern Front (14 August – 12 September 1919) was an offensive during the Russian Civil War by the troops of the Southern Front of the Red Army against the White Guard troops of Anton Denikin. Combat operations were conducted by two offensive groups, the main blow was aimed towards the Don region.

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

Russia

1920 Croatian Peasant Rebellion

The 1920 Croatian Peasant Rebellion, which is also known as the Križ Republic (Croatian: Kriška republika) occurred from 4 to 12 September 1920 in the countryside north-west and west of Zagreb in the recently established Kingdom of Serbs, Croats and Slovenes. The rebellion, which centred around the town of Križ, was the result of predominantly economic grievances and resistance to conscription.

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

1928 Georgia Democratic gubernatorial primary

Georgia Democrats voted in their party's primary for governor.

Party primary election.

United States

1932 Maine gubernatorial election

The 1932 Maine gubernatorial election took place on September 12, 1932. Incumbent Republican Governor William Tudor Gardiner did not seek re-election. Democratic candidate Louis J. Brann defeated Republican candidate Burleigh Martin. Brann was the first Democrat elected Governor of Maine since Oakley C. Curtis in 1914, and the first Democrat to receive a majority of the popular vote since Frederick W. Plaisted in 1910.

Maine, United States

1934 Georgia Democratic gubernatorial primary

Georgia Democrats voted in their party's primary for governor.

Party primary election.

United States

Battle of Mallorca

The Battle of Mallorca, also known as the Mallorca Landings, was an amphibious landing of Republican forces in 1936, early in the Spanish Civil War, aimed at driving the Nationalists from Mallorca and reclaiming the island for the Republic. After some initial tactical success, the expedition, commanded by Captain Alberto Bayo, ended in failure when the Nationalists counterattacked with ground troops and massively superior air power and drove the Republicans into the sea.

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

Spain

Maine gubernatorial election, 1938

The 1938 Maine gubernatorial election took place on September 12, 1938. Incumbent Republican Governor Lewis O. Barrows defeated Democratic Party challenger (and former Governor) Louis J. Brann. Communist Party USA candidate Winfred V. Tabbutt received 325 votes. Barrows' re-election coincided with a clean sweep by Maine Republicans.

Maine, United States

Battle of Kałuszyn

The Battle of Kałuszyn, took place between 11 and 12 September 1939 around the town of Kałuszyn near Mińsk Mazowiecki in Poland. It was part of the invasion of Poland at the start of World War II between forces of the Polish Army and the invading German Army.

Poland

EMLL 7th Anniversary Show

The EMLL 7th Anniversary Show was a professional wrestling major show event produced by Empresa Mexicana de Lucha Libre (EMLL, later renamed Consejo Mundial de Lucha Libre, CMLL) that took place on September 12, 1940 in Arena Modelo (In the same location Arena México was built years later), in Mexico City, Mexico. The event commemorated the seventh anniversary of EMLL, which would become the oldest still active professional wrestling promotion in the world. The Anniversary show is EMLL's biggest show of the year, their Super Bowl event.

Mexico City, Mexico

Hercules Powder plant disaster

The Hercules Powder plant disaster was an explosion at an armaments factory owned by the Hercules Powder Company in the Kenvil section of Roxbury, New Jersey, on 12 September 1940. About 52 people were killed and 100 injured. The cause of the explosion remains unclear. Possible explanations include an industrial accident or sabotage carried out by the Irish Republican Army (IRA) or by a group of German Americans living in nearby Sussex County. Congressman Martin Dies, chair of the House Un-American Activities Committee at the time, believed that Nazi agents were responsible for the blast. After German immigrant Oscar C.

United States

Roslavl–Novozybkov offensive

The Roslavl–Novozybkov offensive (Russian: Рославльско-Новозыбковская наступательная операция, lit. 'Roslavl–Novozybkov offensive operation') was an offensive conducted by the Red Army's Bryansk Front against the German 2nd Panzer Group and 2nd Army in Bryansk Oblast and parts of Sumy Oblast on the Eastern Front of World War II between 30 August and 12 September 1941, part of the Battle of Smolensk in Soviet historiography.

Convoy SC 42

Convoy SC 42 was the 42nd of the numbered series of World War II slow convoys of merchant ships from Sydney, Cape Breton Island to Liverpool. SC 42 was attacked over a three night period in September 1941, losing 16 ships sunk and 4 damaged. This was the worst Allied loss following the attack on convoy SC 7 the previous year. Two attacking U-boats were destroyed.

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

Battle of Edson's Ridge

The Battle of Edson's Ridge, also known as the Battle of the Bloody Ridge, Battle of Raiders Ridge, and Battle of the Ridge, was a land battle of the Pacific campaign of World War II between Imperial Japanese Army and Allied (mainly United States Marine Corps) ground forces. It took place from 12–14 September 1942, on Guadalcanal in the Solomon Islands, and was the second of three separate major Japanese ground offensives during the Guadalcanal Campaign. In the battle, U.S. Marines, under the overall command of U.S. Major General Alexander Vandegrift, repulsed an attack by the Japanese 35th Infantry Brigade, under the command of Japanese Major General Kiyotake Kawaguchi.

Solomon Islands

Laconia incident

The Laconia incident was a series of events surrounding the sinking of a British passenger ship in the Atlantic Ocean on 12 September 1942, during World War II, and a subsequent aerial attack on German and Italian submarines involved in rescue attempts. RMS Laconia, carrying at least 2,732 crew, passengers, soldiers, and prisoners of war, was torpedoed and sunk by U-156, a German U-boat, off the West African coast.

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

Gran Sasso raid

The Gran Sasso raid on 12 September 1943 freed Benito Mussolini from imprisonment in a hotel on the Gran Sasso d'Italia massif. The World War II operation was codenamed Operation Oak (German: Unternehmen Eiche) by the German military. This raid, carried out by German paratroopers and Waffen-SS commandos under the command of Otto Skorzeny, was personally ordered by Adolf Hitler, approved by General Kurt Student, and planned and executed by Major Harald Mors.

Battle of Zahoriv monastery

The Battle of Zahoriv Monastery took place between Ukrainian insurgents who fortified themselves in the monastery and German forces. 8–12 September 1943.

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

Operation Astonia

Operation Astonia was the code name for an Allied attack on the German-held Channel port of Le Havre in France, during the Second World War. The city had been declared a Festung (fortress) by Hitler, to be held to the last man. Fought from 10 to 12 September 1944, the Allied objective was to secure the harbour facilities intact, to deliver supplies to the Allied armies in Continental Europe.

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

France

Operation Tiderace

Operation Tiderace was the codename of the British plan to retake Singapore following the Japanese surrender in 1945. The liberation force was led by Lord Louis Mountbatten, Supreme Allied Commander of South East Asia Command. Tiderace was initiated in coordination with Operation Zipper, which involved the liberation of Malaya.

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

Singapore

Liaoshen campaign

The Liaoshen campaign (Chinese: 辽沈会战; pinyin: Liáoshěn huìzhàn), an abbreviation of Liaoning–Shenyang campaign after the province of Liaoning and its Yuan directly administered capital city Shenyang, was the first of the three major military campaigns (along with Huaihai campaign and Pingjin campaign) launched by the Chinese Communist Party's People's Liberation Army (PLA) against the Kuomintang Nationalist government during the late stage of the Chinese Civil War.

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

West German presidential election, 1949

The election of the first President of the Federal Republic of Germany was held on 12 September 1949, following the first Bundestag election of August 14, 1949 and coalition talks/ negotiations between CDU/CSU, FDP and German Party (DP). The FDP leader Theodor Heuss, who was nominated by CDU/CSU and FDP because of an accord in the coalition agreement, was elected by the Federal Convention (composed of all federal MPs and an equal number of delegates selected by the state legislatures). Under the 1949 Basic Law, the new office of the Federal President was given less powers than the preceding office of Reich President, due to the bad experiences of the past, especially the abuse of emergency powers.

Germany

Operation Minden

Operation Minden was an offensive undertaken by United Nations Command (UN) forces during the Korean War between 8–12 September 1951, as part of a general advance to extend the Wyoming Line, the UN Main line of resistance. Operation Minden was the precursor to the much larger Operation Commando, which established the Jamestown Line.

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

13th Venice International Film Festival

The 13th annual Venice International Film Festival was held from 20 August to 12 September 1952. Italian film critic Mario Gromo, was the jury president for the main competition. The Golden Lion of Saint Mark was awarded to Forbidden Games by René Clément.

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

Italy

September 1954 Iraqi parliamentary election

Early parliamentary elections were held in Iraq on 12 September 1954, after the Chamber of Deputies elected in June was dissolved by the King on 3 August. The Constitutional Union Party remained the largest party, winning 94 of the 135 seats, although only 25 seats were actually contested.

Iraq

1956 Croatia–Indonesia football match

On 12 September 1956 Croatia hosted Indonesia in an international friendly in Zagreb. Until the 1990 match against the United States, this was Croatia's only match against a foreign national team while it was a part of the Socialist Federal Republic of Yugoslavia.

Zagreb, Croatia

1960 British Columbia general election

The 1960 British Columbia general election was the 26th general election in the province of British Columbia, Canada. It was held to elect members of the Legislative Assembly of British Columbia. The election was called on August 3, 1960, and held on September 12, 1960. The new legislature met for the first time on January 26, 1961. The conservative Social Credit of Premier W.A.C.

Air France Flight 2005

Air France Flight 2005 of 12 September 1961 was a scheduled international passenger flight from Paris-Orly Airport to Casablanca Airport with a stop at Rabat-Salé Airport. The Sud Aviation Caravelle aircraft crashed that day at 21:09 GMT near a place called Douar Doum 8.4 kilometres (5.2 mi; 4.5 nmi) from the threshold of runway 04 and 1.4 kilometres (0.87 mi; 0.76 nmi) to the left of the extended centreline at a height of 87.5 metres (287 ft) above sea level, killing all 77 people on board, including 6 crew members.

Morocco

The African and Malagasy Union is founded

The African and Malagasy Union (AMU) (French: Union Africaine et Malgache (UAM)) was an intergovernmental organization created to promote cooperation among newly independent states in Francophone Africa. The organization derives its name from the name of the continent of Africa and from the former Malagasy Republic, now Madagascar. Created in 1961, the scope and form of the organization changed significantly from 1963-1966, and ultimately disbanded in 1985.

1966 British Columbia general election

The 1966 British Columbia general election was the 28th general election in the province of British Columbia, Canada. It was held to elect members of the Legislative Assembly of British Columbia. The election was called on August 5, 1966, and held on September 12, 1966. The new legislature met for the first time on January 24, 1967.

1967 Tampa mayoral election

The 1967 Tampa mayoral election took place on September 26, 1967, following a primary election on September 12, 1967. Incumbent Mayor Nick Nuccio ran for re-election to a second consecutive term. Nuccio faced a crowded field of competitors, including City Councilmembers Dick A. Greco, Conrad Johnston, and Doug West; County Commissioner Rudy Rodriguez; and perennial candidate Jim Fair.

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

United States

Operation Houston

Operation Houston was a security operation in the Vietnam War conducted by the United States Marine Corps’ Task Force X-Ray to reopen and secure Route 1 between Da Nang and Phu Bai Combat Base that took place from 26 February to 12 September 1968.

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

Vietnam

Philippine Air Lines Flight 158

Philippine Air Lines Flight 158 was a flight from Mactan–Cebu International Airport to Manila International Airport near Manila which crashed on September 12, 1969. The aircraft, a BAC One-Eleven, struck a mango tree on the hill in sitio Kulaike, Antipolo, Rizal, located 22 km (12 nmi) east of its destination while on a VOR approach to runway 24.

Philippines

1970 Australian Capital Territory election

The 1970 Australian Capital Territory election was held on 12 September 1970 to elect all eight members of the Advisory Council, the main elected representative body of the Australian Capital Territory (ACT). The election was conducted by the Commonwealth Electoral Office, with 18 candidates and four political parties contesting. Four members of the previous council were re-elected, with Labor Party leader Gordon Walsh receiving the highest first preference vote of 25.68%.

1971 All-Ireland Under-21 Hurling Championship final

The 1971 All-Ireland Under-21 Hurling Championship final was a hurling match that was played at Walsh Park, Waterford on 12 September 1971 to determine the winners of the 1971 All-Ireland Under-21 Hurling Championship, the 8th season of the All-Ireland Under-21 Hurling Championship, a tournament organised by the Gaelic Athletic Association for the champion teams of the four provinces of Ireland.

1972 Orlando mayoral election

The 1972 Orlando mayoral election took place on September 12, 1972. Incumbent Mayor Carl T. Langford ran for re-election to a second full term, which he said would be his last. He was challenged for re-election by Reverend Jack Mitchell, the Florida director of the Congress for Racial Equality (CORE). Mitchell's campaign was supported by CORE, which focused its local electoral efforts on his campaign.

Florida, United States

Ethiopian Civil War

The Ethiopian Civil War began on 12 September 1974 when the Marxist Derg staged a coup d'état against Emperor Haile Selassie. The civil war lasted until the Ethiopian People's Revolutionary Democratic Front (EPRDF), a coalition of rebel groups, overthrew the government in 1991. The war left at least 1.4 million dead.

Ethiopia

1974 Ethiopian coup d'état

On 12 September 1974, Emperor Haile Selassie was deposed by the Coordinating Committee of the Armed Forces, Police, and Territorial Army, a military junta that consequently ruled Ethiopia as the Derg until 28 May 1991. In February 1974, the Ethiopian Revolution was accompanied by mutinies of units of the Imperial Army, which were ignited over resentment of low payment.

Norwegian parliamentary election, 1977

Parliamentary elections were held in Norway on 11 and 12 September 1977. The Labour Party remained the largest party in the Storting, winning 76 of the 155 seats.

Norway

1980 Guatemalan vice presidential election

Vice presidential elections were held in Guatemala on September 12, 1980.

Guatemala

1980 Turkish coup d'état

The 1980 Turkish coup d'état (Turkish: 12 Eylül darbesi, lit. '12 September coup d'état'), headed by Chief of the General Staff General Kenan Evren, was the third coup d'état in the history of the Republic of Turkey, the previous having been the 1960 coup and the 1971 coup by memorandum. During the Cold War era, Turkey saw political violence (1976–1980) between the far-left, the far-right (Grey Wolves), the Islamist militant groups, and the state.

Turkey

38th Venice International Film Festival

The 38th annual Venice International Film Festival was held on 2 to 12 September, 1981. Italian writer and journalist Italo Calvino was the Jury President of the main competition. The Golden Lion winner was Marianne and Juliane directed by Margarethe von Trotta.

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

Italy

1982 All-Ireland Under-21 Hurling Championship final

The 1982 All-Ireland Under-21 Hurling Championship final was a hurling match that was played at St. Brendan's Park, Birr on 12 September 1982 to determine the winners of the 1982 All-Ireland Under-21 Hurling Championship, the 19th season of the All-Ireland Under-21 Hurling Championship, a tournament organised by the Gaelic Athletic Association for the champion teams of the four provinces of Ireland.

1982 NSL Cup final

The 1982 NSL Cup final was the final match of the 1982 NSL Cup, the sixth season of the National Soccer League Cup. It was played at Olympic Park in Melbourne on 12 September 1982 between Heidelberg United and APIA Leichhardt. APIA Leichhardt won the match 2–1 for their first NSL Cup title.

1984 NSL Cup final

The 1984 NSL Cup final was the final match of the 1984 NSL Cup, the eighth season of the National Soccer League Cup. It was played at Olympic Park in Melbourne on 12 September 1984 between Melbourne Knights and Newcastle Rosebud United. Newcastle won the match 1–0 for their first NSL Cup title.

Tuvaluan general election, 1985

General elections were held in Tuvalu on 12 September 1985. As there were no political parties, all candidates for the 12 seats ran as independents, with nine of the incumbents retaining their seats. Tomasi Puapua was re-elected Prime Minister following the elections.

Tuvalu

Hurricane Gilbert

Hurricane Gilbert was a large and extremely powerful tropical cyclone that formed during the 1988 Atlantic hurricane season, which peaked as a Category 5 hurricane. The storm brought widespread destruction to the Caribbean and the Gulf of Mexico, and is tied with 1969's Hurricane Camille as the third-most intense tropical cyclone at landfall in the Atlantic Ocean.

Hurricane Gilbert devastates Jamaica; it turns towards Mexico's Yucatán Peninsula two days later, causing an estimated $5 billion in damage.

Liverpool 9–0 Crystal Palace (1989)

On 12 September 1989, Liverpool faced Crystal Palace in a First Division fixture at Anfield, during the 1989–90 season. Crystal Palace were newly promoted to the division, while Liverpool had been narrowly pipped to the League title by Arsenal in the previous season. Liverpool won the match 9–0, recording their biggest ever top-flight win, and inflicting Palace's heaviest ever defeat.

United Kingdom

Kinmen Agreement

The Kinmen Agreement or Kinmen Accord (simplified Chinese: 金门协议; traditional Chinese: 金門協議; pinyin: Jīnmén Xiéyì) is an agreement between Red Cross Society of the Republic of China and Red Cross Society of China in Kinmen, Fujian Province, Republic of China. It is the first formal agreement reached by civil organizations across the Taiwan Strait.

Treaty on the Final Settlement with Respect to Germany

The Treaty on the Final Settlement with Respect to Germany (German: Vertrag über die abschließende Regelung in Bezug auf Deutschland), more commonly referred to as the Two Plus Four Agreement (Zwei-plus-Vier-Vertrag), is an international agreement that allowed the reunification of Germany in October 1990.

The two German states and the Four Powers sign the Treaty on the Final Settlement with Respect to Germany in Moscow, paving the way for German reunification.

Faroe Islands v Austria (UEFA Euro 1992 qualifying)

The Faroe Islands defeated Austria 1–0 on 12 September 1990 in a UEFA Euro 1992 qualifying match at Landskrona IP in Landskrona, Sweden. The result is notable as one of the biggest shocks in football history, as the Faroe Islands were playing their first ever competitive match with a team composed of amateur players, while Austria had played at the 1990 FIFA World Cup in Italy less than three months earlier.

STS-48

STS-48 was a Space Shuttle mission that launched on September 12, 1991, from Kennedy Space Center, Florida. The orbiter was Space Shuttle Discovery on her 13th flight. The primary payload was the Upper Atmosphere Research Satellite (UARS). The mission landed on September 18 at 12:38 a.m. EDT at Edwards Air Force Base on runway 22. The mission was completed in 81 revolutions of the Earth and traveled 3,530,369 km (2,193,670 mi).

49th Venice International Film Festival

The 49th annual Venice International Film Festival was held on 1 to 12 September 1992. American actor and filmmaker Dennis Hopper and Czech filmmaker Jiří Menzel were the Jury Co-Presidents of the Main Competition. The Golden Lion winner was The Story of Qiu Ju by Zhang Yimou.

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

Italy

NASA launches Space Shuttle Discovery on STS-51

STS-51 was a NASA Space Shuttle Discovery mission that launched the Advanced Communications Technology Satellite (ACTS) in September 1993. Discovery's 17th flight also featured the deployment and retrieval of the SPAS-ORFEUS satellite and its IMAX camera, which captured spectacular footage of Discovery in space. A spacewalk was also performed during the mission to evaluate tools and techniques for the STS-61 Hubble Space Telescope (HST) servicing mission later that year.

1994 Quebec general election

The 1994 Quebec general election was held on September 12, 1994, to elect members to the National Assembly of Quebec in the province of Quebec, Canada. The Parti Québécois, led by hard soverignist Jacques Parizeau, defeated the incumbent Quebec Liberal Party, led by Premier Daniel Johnson Jr. Johnson had succeeded Robert Bourassa as Liberal leader and Premier.

Canada

51st Venice International Film Festival

The 51st annual Venice International Film Festival was held on 1 September to 12 September, 1994. American filmmaker David Lynch was the Jury President of the main competition. The Golden Lion winners were Before the Rain directed by Milcho Manchevski and Vive L'Amour directed by Tsai Ming-liang.

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

Italy

Operation Breza '94

Operation "Breza 94" was the military offensive conducted by the 1st Krajina Corps of the Army of Republika Srpska (VRS) in September 1994 in Bosanska Krajina during the Bosnian War. The objective of the offensive was the breaking of the 5th Corps of the Army of the Republic of Bosnia and Herzegovina (ARBiH) and the conquest of Bosanska Krajina.

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

Bosnia and Herzegovina

15th National Congress of the Chinese Communist Party

The 15th National Congress of the Chinese Communist Party was held in Beijing between September 12 and 18, 1997. It was preceded by the 14th National Congress of the Chinese Communist Party and was followed by the 16th National Congress of the Chinese Communist Party. 2,048 delegates and 60 specially invited delegates represented the party's estimated 59 million members.

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

1999 All-Ireland Senior Hurling Championship final

The 1999 All-Ireland Senior Hurling Championship final was the 112th All-Ireland Final and the culmination of the 1999 All-Ireland Senior Hurling Championship, an inter-county hurling tournament for the top teams in Ireland. The match was held at Croke Park, Dublin, on 12 September 1999, between Cork and Kilkenny. The Leinster champions lost to their Munster opponents on a score line of 0-13 to 0-12.

Ireland

1999 Thuringian state election

The 1999 Thuringian state election was held on 12 September 1999 to elect the members of the 3rd Landtag of Thuringia. The incumbent government was a grand coalition of the Christian Democratic Union (CDU) and Social Democratic Party (SPD) led by Minister-President Bernhard Vogel. The CDU won an absolute majority in the election and formed government alone; Vogel continued as Minister-President.

Thuringia, Germany

Fall Brawl (1999)

The 1999 Fall Brawl was the seventh Fall Brawl professional wrestling pay-per-view (PPV) event produced by World Championship Wrestling (WCW). It took place on September 12, 1999 from the Lawrence Joel Veterans Memorial Coliseum in Winston-Salem, North Carolina. Nine matches were contested at the event. In the main event, Sting defeated Hulk Hogan to win the WCW World Heavyweight Championship.

North Carolina, United States

Hong Kong legislative election, 2004

The 2004 Hong Kong legislative election for members of the Legislative Council of Hong Kong (LegCo) was held on 12 September 2004. The elections returned 30 members from directly elected geographical constituencies and 30 members from functional constituencies, of which 11 were unopposed. A record number of 3.2 million people registered to vote in the election. The turnout rate was an unprecedented 55.6% with 1,784,406 voters casting ballots, beating the previous record set in 1998 by 200,000 votes. While pro-democratic opposition candidates gained new seats in the legislature, their gains fell short of their expectations.

Hong Kong

Unforgiven (2004)

Unforgiven (2004) was a professional wrestling pay-per-view event produced by World Wrestling Entertainment (WWE) and presented by Clearasil, which took place on September 12, 2004, at the Rose Garden in Portland, Oregon. It was the sixth annual (seventh overall) Unforgiven event. The show's seven matches showcased prominent WWE wrestlers, who acted out the franchise's stories in and out of the ring. The event starred talent from the Raw brand. It is one of only two WWE pay-per-view events to ever be held in the state of Oregon, the other being No Mercy 2008.

Portland, Oregon, United States

2004 Hong Kong legislative election in Kowloon West

These are the Kowloon West results of the 2004 Hong Kong legislative election. The election was held on 12 September 2004 and all 4 seats in Kowloon West where consisted of Yau Tsim Mong District, Sham Shui Po District and Kowloon City District were contested. All four incumbents were re-elected, with Democratic Party's Lau Chin-shek ran as independent.

Hong Kong

2004 Hong Kong legislative election in New Territories East

These are the New Territories East results of the 2004 Hong Kong legislative election. The election was held on 12 September 2004 and all 7 seats in New Territories East where consisted of North District, Tai Po District, Sai Kung District and Sha Tin District were contested.

Hong Kong

2004 Hong Kong legislative election in Kowloon East

These are the Kowloon East results of the 2004 Hong Kong legislative election. The election was held on 12 September 2004 and all 5 seats in Kowloon East where consisted of Wong Tai Sin District and Kwun Tong District were contested. All four incumbents were elected with famous pro-democrat radio host Albert Cheng won a new seat with Andrew To of The Frontier on a joint ticket.

Hong Kong

2004 Hong Kong legislative election in New Territories West

These are the New Territories West results of the 2004 Hong Kong legislative election. The election was held on 12 September 2004 and all 8 seats in New Territories West, which consists of Tsuen Wan District, Tuen Mun District, Yuen Long District, Kwai Tsing District and Islands District, were contested. All the incumbents were elected with the new two seats gained by Lee Wing-tat of the Democratic Party and Selina Chow of the Liberal Party.

Hong Kong

2004 All-Ireland Senior Hurling Championship final

The 2004 All-Ireland Senior Hurling Championship Final was a hurling match played at Croke Park on 12 September 2004 to determine the winners of the 2004 All-Ireland Senior Hurling Championship, the 118th season of the All-Ireland Senior Hurling Championship, a tournament organised by the Gaelic Athletic Association for the champions of the four provinces of Ireland.

Norwegian parliamentary election, 2005

Parliamentary elections were held in Norway on 11 and 12 September 2005. The result was a victory for the opposition centre-left Red-Green Coalition, which got 48,0 % of the votes and won 87 out of 169 seats, dominated by the Labour Party's 61 seats. The three-party centre-right government coalition won 44 seats and the right wing Progress Party won 38, becoming the largest opposition party. Voter turnout was 77.1%, an increase of 2 percentage points compared to the 2001 elections.

Norway

Opening of Hong Kong Disneyland

Hong Kong Disneyland (Chinese: 香港迪士尼樂園) (abbreviated HKDL; also known as HK Disneyland or Disneyland Hong Kong) is a theme park located on reclaimed land in Penny's Bay, Lantau Island, Hong Kong. It opened to visitors on Monday, September 12, 2005, at 13:00 HKT, the second Disneyland in Asia to open after Tokyo Disneyland in 1983, with Shanghai Disneyland later opening in 2016.

Siege of Musa Qala

The Siege of Musa Qala took place between July 17 and September 12, 2006 in Afghanistan's Helmand province. A small force of International Security Assistance Force (ISAF) troops and Afghan security forces were besieged by Taliban insurgents inside the District centre of Musa Qala.

Helmand Province, Afghanistan

Former Philippine President Joseph Estrada is convicted of plunder

Joseph Ejercito Estrada ([ʔɛˌhɛːɾ.sɪˈto ʔɛsˈtɾaː.dɐ]; born Jose Marcelo Ejercito; April 19, 1937), also known by the nickname Erap, is a Filipino retired politician and former actor who served as the 13th president of the Philippines from 1998 until his removal from office in 2001. He served as the 14th mayor of San Juan from 1969 to 1986, the ninth vice president under Fidel V.

On 12 September 2007, only three days after a new parliamentary session had begun, Abe announced his intention to resign his position as prime minister at an unscheduled press conference

Shinzo Abe (21 September 1954 – 8 July 2022) was a Japanese statesman and politician who served as Prime Minister of Japan and President of the Liberal Democratic Party (LDP) from 2006 to 2007 and again from 2012 to 2020. He was the longest-serving prime minister in Japanese history, serving for nearly nine years.

2007 Bengkulu earthquakes

The 2007 Bengkulu earthquakes were a series of megathrust earthquakes that struck the Sunda Trench off the coast of Sumatra, Indonesia, with three of magnitude 7 or greater. A series of tsunami bulletins was issued for the area. The most powerful of the series had a magnitude of 8.4, which makes it in the top 20 of the largest earthquakes ever recorded on a seismograph.

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

Indonesia · Singapore · Malaysia · Thailand

2008 Chatsworth train collision

The 2008 Chatsworth train collision occurred at 4:22:23 p.m. PDT (23:22:23 UTC) on September 12, 2008, when a Union Pacific Railroad freight train and a Metrolink commuter rail passenger train collided head-on in the Chatsworth neighborhood of Los Angeles, California, United States. The scene of the collision was a curved section of single track on the Metrolink Ventura County Line just east of Stoney Point.

66th Venice International Film Festival

The 66th annual Venice International Film Festival, was held from 2 to 12 September 2009, at Venice Lido in Italy. Taiwanese filmmaker Ang Lee was the jury president for the main competition. Italian actress Maria Grazia Cucinotta was the Host of the opening and closing ceremonies. The Golden Lion was awarded to Lebanon by Samuel Maoz.

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

Italy

2010 All-Ireland Senior Camogie Championship final

The 2010 All-Ireland Senior Camogie Championship Final, the 79th event of its type, is the culmination of the 2010 All-Ireland Senior Camogie Championship. Wexford led 1-8 to 0-4 at half-time, Galway nearly staged a comeback, an injury time goal by Aisling Connolly, with the gap 2 points at the end.

Ireland

Economic Cooperation Framework Agreement

The Economic Cooperation Framework Agreement (ECFA) is a free trade agreement (FTA) between the governments of the People's Republic of China (mainland China, PRC, commonly "China") and the Republic of China (ROC, commonly "Taiwan"), that aims to reduce tariffs and commercial barriers as well as improve cross-strait relations.

This entry records the entry into force, as dated in the source infobox.

Raid on Ras Lanuf

The raid on Ras Lanuf was a hit-and-run attack carried out in the early morning of 12 September 2011 by two groups of fighters loyal to Muammar Gaddafi in an apparently coordinated effort to disrupt oil refinery and export operations in the National Transitional Council-administered port town of Ra's Lanuf, Libya, during the Libyan Civil War.

Libya

Petropavlovsk-Kamchatsky Air Flight 251 crashes on approach to Palana Airport, killing 10 and injuring four

Palana Airport (Russian: Аэропорт Палана) (ICAO: UHPL) is an airport in Kamchatka Krai, Russia located 4 km west of Palana. It services small transports.

No Surrender (2013)

The 2013 No Surrender (also known as Impact Wrestling: No Surrender) was a professional wrestling television special and the ninth No Surrender event produced by Total Nonstop Action Wrestling (TNA). It took place on September 12, 2013 at the Chaifetz Arena in St. Louis, Missouri. Unlike the previous events, this event was not held on pay-per-view (PPV) and instead, like Destination X and Hardcore Justice, was featured as a special edition of TNA's weekly broadcast of Impact Wrestling.

St. Louis, United States

2015 All-Ireland Under-21 Hurling Championship final

The 2015 All-Ireland Under-21 Hurling Championship final was a hurling match that was played at Semple Stadium, Thurles on 12 September 2015 to determine the winners of the 2015 All-Ireland Under-21 Hurling Championship, the 52nd season of the All-Ireland Under-21 Hurling Championship, a tournament organised by the Gaelic Athletic Association for the champion teams of the four provinces of Ireland.

5th Justice and Development Party Ordinary Congress

The 5th Justice and Development Party Ordinary Congress was a party convention of the governing Turkish Justice and Development Party (AK Party) that took place on 12 September 2015. It was held six weeks before Turkey voted in a snap general election in November 2015.

Turkey

72nd Venice International Film Festival

The 72nd annual Venice International Film Festival, was held from 2 to 12 September 2015, at Venice Lido in Italy. Mexican filmmaker Alfonso Cuarón was the jury president for the main competition. French-Italian actress Elisa Sednaoui hosted the opening and closing ceremonies of the festival. The Golden Lion was awarded to From Afar by Lorenzo Vigas.

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

Italy

2016 Sheikh Jassim Cup

The 2016 Sheikh Jassim Cup was the 38th edition of the cup competition for football teams from Qatar. It was changed from a group staged pre-season tournament featuring all Qatari Stars League sides, to a one-off match between the previous seasons Qatar Stars League winners and Emir of Qatar Cup winners.

Qatar

UFC Fight Night: Waterson vs. Hill

UFC Fight Night: Waterson vs. Hill (also known as UFC Fight Night 177, UFC on ESPN+ 35 and UFC Vegas 10) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 12, 2020, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States.

Nevada, United States

2020 Greek Football Cup final

The 2020 Greek Cup final was the 76th final of the Greek Cup. It took place on 12 September 2020 at Panthessaliko Stadium. The contesting teams were AEK Athens and Olympiacos. It was AEK Athens' twenty fifth Greek Cup final and fifth consecutive, of their 96-year history and Olympiacos' fortieth Greek Cup final in their 95 years of existence.

2020 Pro14 Grand Final

The 2020 Pro14 Grand Final was the final match of the 2019–20 Pro14 season. The 2019–20 season was the sixth with Guinness as the title sponsor, the eleventh with a grand final and the third season with 14 teams, following the admission of two Italian teams. The match was planned to be held at Cardiff City Stadium, however, on 19 March 2020, Celtic Rugby DAC cancelled the event due to the COVID-19 pandemic.

Ireland

2020 Bulgarian Socialist Party leadership election

Leadership elections within the Bulgarian Socialist Party were held on the 12th of September, 2020, and were the first direct elections in the history of the Bulgarian Socialist Party. They were won by incumbent chairwoman, Korneliya Ninova, in the first round.

77th Venice International Film Festival

The 77th annual Venice International Film Festival was held from 2 to 12 September 2020, at Venice Lido in Italy. Albeit in a "more restrained format" due to the COVID-19 pandemic, the festival held all its screenings with public presence. Australian actress Cate Blanchett was Jury President of the main competition. Italian actress Anna Foglietta hosted the opening and closing nights of the festival.

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

Italy

2021 All-Ireland Senior Camogie Championship final

The 2021 All-Ireland Senior Camogie Championship Final, the 90th event of its kind and the culmination of the 2021 All-Ireland Senior Camogie Championship, was played at Croke Park on 12 September 2021. Galway defeated Cork in the final to claim their 5th title.

Dublin, Ireland

Siberian Light Aviation Flight 51

Siberian Light Aviation Flight 51 was a passenger flight on September 12, 2021, by a Let L-410 Turbolet plane, from Irkutsk north to Kazachinskoje, Irkutsk Oblast, Siberia, near Lake Baikal. The plane crashed about 4 kilometers (2.5 miles) from the airport. The Interstate Aviation Committee (IAC or MAK), the Russian Accident Commission, determined that the crash was caused by the crew failing to comply with night flight rules.

Battle of Bourem

The Battle of Bourem occurred on September 12, 2023, when the Permanent Strategic Framework for Peace, Security, and Development (CSP-PSD) attacked the Malian Armed Forces and their Wagner Group allies in and around the small town of Bourem. The battle was the first major attack by the CSP-PSD on Malian forces since the Battle of Ber in August 2023.

Mali

Worlds Collide (September 2025)

Worlds Collide, also known as Worlds Collide: Las Vegas, Worlds Collide II or Worlds Collide Dos, was a 2025 professional wrestling livestreaming event and supercard co-produced by the American promotion WWE and its Mexican sister promotion Lucha Libre AAA Worldwide (AAA). It was the fifth Worlds Collide under the WWE banner and the second between both promotions. It took place on September 12, 2025, at the Cox Pavilion at the Thomas & Mack Center in the Las Vegas suburb of Paradise, Nevada.

Las Vegas, United States · Nevada, United States