August 20 historical events
636 — Battle of the Yarmuk
The Battle of the Yarmuk (also spelled Yarmouk; Arabic: معركة اليرموك) was a major battle between the Byzantine Empire and the Rashidun Caliphate near the Yarmouk River in Byzantine Syria that marked a crucial point in the Muslim conquest of Syria. The result of the battle was a decisive Arab victory that effectively ended Byzantine rule in Syria.
This entry records the event's end date, as given in the source infobox.
Syria · Jordan · War & conflict · Checked 2026-10-18
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917 — Battle of Achelous (917)
The Battle of Achelous or Acheloos (Bulgarian: Битката при Ахелой, Greek: Μάχη του Αχελώου), also known as the Battle of Anchialus, took place on 20 August 917, on the Achelous river near the Bulgarian Black Sea coast, close to the fortress Tuthom (modern Pomorie) between Bulgarian and Byzantine forces.
Location not yet verified · War & conflict · Checked 2026-10-18
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1012 — Siege of Lubusz
The siege of Lubusz was a siege part of the German–Polish War that took place from 19 to 20 August 1012. It involved the Duchy of Poland led by Bolesław I the Brave against the Holy Roman Empire led by Henry II. It resulted in a Polish victory.
This entry records the event's end date, as given in the source infobox.
Germany · War & conflict · Checked 2026-10-18
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1057 — Battle of Petroe
The Battle of Petroe, also known as the Battle of Hades, was fought on 20 August 1057 between two rival Byzantine armies: the loyalist forces of the Byzantine emperor Michael VI Stratiotikos (r. 1056–1057) under the proedros Theodore, and the supporters of the rebel general Isaac Komnenos.
Location not yet verified · War & conflict · Checked 2026-10-18
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1083 — Stephen I of Hungary is canonized
On August 20, 1083, Stephen I, the first king of Hungary, was canonized in Székesfehérvár. Hungary commemorates the date as a national holiday.
Székesfehérvár, Hungary · Politics & society · Checked 2026-11-05
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1119 — Battle of Brémule
The Battle of Brémule was fought on 20 August 1119 between Henry I of England and Louis VI the Fat of France. Henry I had to defend his holdings in Normandy several times and defeated a French invasion at the Battle of Brémule in 1119. The defeat at Brémule effectively crippled the baron's rebellion and led to King Louis having to accept William Adelin as Duke of Normandy. William was officially invested with the duchy in 1120, even though King Louis continued to support William Clito's claim to the honour.
Gaillardbois-Cressenville, France · Normandy, France · War & conflict · Checked 2026-09-23
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1191 — Massacre at Ayyadieh
The Massacre of Ayyadieh occurred during the Third Crusade after the fall of Acre when King Richard I had more than two thousand Muslim prisoners of war from the captured city beheaded in front of the Ayyubid armies of sultan Saladin on 20 August 1191, sparing only those deemed fit for slave-labor along with a few notables.
Location not yet verified · War & conflict · Checked 2026-10-18
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1272 — Battle of Heiloo
The Battle of Heiloo (Dutch: Slag bij Heiloo) was a battle during the Friso-Hollandic Wars and the culmination of Count Floris V's first military expedition to West Frisia in 1272. The battle is described in Melis Stoke's Rijmkroniek van Holland and the chronicle of Johannes de Beke. Although the battle was won by Floris' forces, his goal of conquering West Frisia had not been achieved, and the count retreated shortly after.
Location not yet verified · War & conflict · Checked 2026-10-18
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1297 — Battle of Furnes
The Battle of Furnes, also known as Battle of Veurne and Battle of Bulskamp, was fought on 20 August 1297 between French and Flemish forces. The French were led by Robert II of Artois and the Flemish by Guy of Dampierre. The French forces were victorious. However, Robert's son Philip was gravely wounded during the battle and died a year later of his wounds.
Location not yet verified · War & conflict · Checked 2026-10-18
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1346 — Siege of Aiguillon
The siege of Aiguillon, an episode in the Hundred Years' War, began on 1 April 1346 when a French army commanded by John, Duke of Normandy, laid siege to the Gascon town of Aiguillon. The town was defended by an Anglo-Gascon army under Ralph, Earl of Stafford. In 1345 Henry, Earl of Lancaster, was sent to Gascony in south-west France with 2,000 men and large financial resources.
This entry records the event's end date, as given in the source infobox.
Location not yet verified · War & conflict · Checked 2026-10-18
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1467 — Second Battle of Olmedo
The Second Battle of Olmedo was fought on 20 August 1467 near Olmedo in Castile (now in the province of Valladolid, Spain) as part of the succession conflict between Henry IV of Castile and his half-brother Alfonso, Prince of Asturias. Alfonso's troops advanced eastwards along the valley of the Duero towards central Castile, while the troops loyal to Henry moved north from Cuéllar towards Medina del Campo to try to cut them off: the two armies met near Olmedo.
Spain · War & conflict · Checked 2026-09-23
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1470 — Battle of Lipnic
The Battle of Lipnic (or Lipnica, or Lipniţi) was a battle between the Moldavian forces under Stephen the Great, and the Volga Tatars of the Golden Horde led by Ahmed Khan, and which took place on the August 20, 1470.
Moldova · War & conflict · Checked 2026-09-23
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1519 — Prince of Ning rebellion
The Prince of Ning rebellion or Rebellion of the Prince of Ning (Chinese: 寧王之亂) was a rebellion that took place in China between 10 July and 20 August 1519 during the Ming dynasty. It was started by Zhu Chenhao, the Prince of Ning and a fifth-generation descendant of Zhu Quan, and was aimed at overthrowing the Zhengde Emperor. The Prince of Ning revolt was one of two princedom rebellions during the Zhengde Emperor's reign, and was preceded by the Prince of Anhua rebellion in 1510.
People's Republic of China · War & conflict · Checked 2026-09-23
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1538 — Battle of Tocarema
The Battle of Tocarema (Spanish: Batalla de Tocarema) was fought between an alliance of the troops of Spanish conquistador Gonzalo Jiménez de Quesada and zipa of the Muisca Sagipa of the southern Muisca Confederation and the indigenous Panche. The battle took place on the afternoon of August 19 and the morning of August 20, 1538 in the vereda Tocarema of Cachipay, Cundinamarca, Colombia and resulted in a victory for the Spanish and Muisca, when captains Juan de Céspedes and Juan de Sanct Martín commanded two flanks of the conquistadors.
Colombia · War & conflict · Checked 2026-09-24
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1560 — Siege of Fellin (1560)
The siege of Fellin was one of the final events that took place in August 1560 during the Russo-Livonian War. Besiegers used artillery fire exclusively to capture the strong fortress. In July 1560, the Russian army marched on the Fellin fortress, the Livonian knights tried to resist it in the field, but they were defeated in the battle of Erms.
This entry records the event's end date, as given in the source infobox.
Estonia · War & conflict · Checked 2026-10-18
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1607 — Siege of Mozambique (1607)
The 1607 Siege of Mozambique was an armed encounter between the forces of the Portuguese Empire and those of the Dutch East India Company or VOC, who attempted to capture the Portuguese Fort São Sebastião on the island of Mozambique. After a six-month campaign, the Dutch withdrew.
This entry records the event's end date, as given in the source infobox.
Mozambique · War & conflict · Checked 2026-10-18
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1644 — Battle of Ormskirk
The Battle of Ormskirk was fought on 20 August 1644 during the First English Civil War it was a decisive victory for a Parliamentarian (Roundhead) force commanded by Major-General Sir John Meldrum over a Royalist (Cavalier) force commanded by Lord Byron.
Lancashire, United Kingdom · War & conflict · Checked 2026-09-23
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1648 — Battle of Lens
The Battle of Lens (20 August 1648) was a French victory under Louis II de Bourbon, Prince de Condé against the Spanish army under Archduke Leopold in the Thirty Years' War (1618–1648). It was the last major battle of the war. Lens is a fortified city in the historic region of Flanders, today a major city in the Pas-de-Calais region of northern France. The city had been captured by the French in 1647. The nobility rebelled against the leadership of Cardinal Mazarin, known as the Fronde, leading the Spanish to perceive an opportunity to retake Lens and possibly gain ground.
Grenay, Pas-de-Calais, France · Lens, Pas-de-Calais, France · Liévin, France · War & conflict · Checked 2026-09-23
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1666 — Holmes's Bonfire
Holmes's Bonfire was a raid on the Vlie estuary in the Netherlands, executed by the English Fleet during the Second Anglo-Dutch War on 19 and 20 August 1666 New Style (9 and 10 August Old Style). The attack, named after the commander of the landing force, Rear-Admiral Robert Holmes, was successful in destroying by fire a large merchant fleet of 140 ships.
This entry records the event's end date, as given in the source infobox.
Location not yet verified · War & conflict · Checked 2026-10-18
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1705 — Battle of Hogland (1705)
The battle of Hogland 1705 was a minor naval battle between the Swedish ship of the line Reval and 7 Russian galleys. After several hours of fighting, the Swedes were victorious. It was the first time that Russian galleys took part in a naval battle in the Baltic Sea.
Location not yet verified · War & conflict · Checked 2026-10-18
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1710 — Battle of Saragossa
The Battle of Saragossa, 20 August 1710, took place during the War of the Spanish Succession, near Zaragoza in Spain. A slightly inferior Franco-Bourbon Spanish army commanded by the Marquis de Bay was severely defeated by a Grand Alliance force under Guido Starhemberg, which included Habsburg Spanish troops.
Spain · War & conflict · Checked 2026-09-23
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1739 — Battle of Laba River (1739)
The Battle of Laba River was a military engagement that took place on August 20, 1739, during the final phase of the Russo-Turkish War (1735–1739).
Location not yet verified · War & conflict · Checked 2026-10-18
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1746 — Siege of Fort Massachusetts
The siege of Fort Massachusetts (19-20 August 1746) was a successful siege of Fort Massachusetts (in present-day North Adams, Massachusetts) by a mixed force of more than 1,000 French and Native Americans from New France. The fort, garrisoned by a disease-weakened militia force from the Province of Massachusetts Bay, surrendered after its supplies of ammunition and gunpowder were depleted.
This entry records the event's end date, as given in the source infobox.
United States · War & conflict · Checked 2026-10-18
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1760 — Battle of Strehla
The Battle of Strehla (20 August 1760) was a military engagement fought during the Seven Years' War between the Kingdom of Prussia and Austria. The Austrian army attacked an outnumbered Prussian corps on a strong position but was repulsed. The battle was fought near the town of Strehla in Saxony, Germany.
Germany · War & conflict · Checked 2026-09-23
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1775 — Spanish officer Hugo O’Conor establishes the Tucson presidio
Hugo O’Conor of the Spanish army established a frontier post named Presidio San Agustín del Tucson. The fort stood near the Santa Cruz River in what is now Tucson, Arizona.
Tucson, Arizona, United States · Politics & society · Checked 2026-11-06
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1794 — Battle of Fallen Timbers
The Battle of Fallen Timbers (20 August 1794) was the final battle of the Northwest Indian War, a struggle between the Northwestern Confederacy and United States for control of the Northwest Territory. The battle took place amid trees toppled by a tornado near the Maumee River in northwestern Ohio at the site of the present-day city of Maumee, Ohio.
Location not yet verified · War & conflict · Checked 2026-10-18
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1809 — Battle of Ratan
The Battle of Ratan was fought on 20 August 1809 during the Russo-Swedish War of 1808–09, a day after the Battle of Sävar, and was the last battle fought on Swedish soil during the war. After Russia conquered Finland, the Swedish army command planned a combined attack on the Russian army by landing troops north of Umeå to attack them from the rear while the mainland army advanced from the south.
Sweden · War & conflict · Checked 2026-09-23
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1847 — Battle of Churubusco
The Battle of Churubusco took place on August 20, 1847, while Santa Anna's army was in retreat from the Battle of Contreras (Padierna), Mexican–American War. After defeating the Mexican army at Churubusco, the U.S. Army was only 5 miles (8 km) away from Mexico City.
Mexico City, Mexico · War & conflict · Checked 2026-09-23
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1847 — Battle of Contreras
The Battle of Contreras, also known as the Battle of Padierna, took place on 19–20 August 1847, in one of the final encounters of the Mexican–American War, as invading U.S. forces under Winfield Scott approached the Mexican capital. American forces surprised and then routed the Mexican forces of General Gabriel Valencia, who had disobeyed General Antonio López de Santa Anna's orders for his forces' placement.
This entry records the event's end date, as given in the source infobox.
Mexico · War & conflict · Checked 2026-10-18
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1849 — Maltese general election, 1849
General elections were held in Malta between 16 and 20 August 1849, the first in the country's history.
Malta · Politics & society · Checked 2026-09-23
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1852 — Steamboat Atlantic sinks on Lake Erie after a collision, with the loss of at least 150 lives
Atlantic was a steamboat that sank in Lake Erie after a collision with the steamer Ogdensburg on 20 August 1852, with the loss of at least 150 but perhaps as many as 300 lives. The loss of life made this disaster, in terms of loss of life from the sinking of a single vessel, the fifth-worst tragedy in the history of the Great Lakes.
Location not yet verified · Disasters · Checked 2026-10-18
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1862 — Battle of Fort Ridgely
The Battle of Fort Ridgely was an early battle in the Dakota War of 1862. As the closest U.S. military post to the Lower Sioux Agency, the lightly fortified Fort Ridgely quickly became both a destination for refugees and a target of Dakota warbands after the attack at the Lower Sioux Agency. It came under attack by the Dakota on August 20, 1862, two days after a company of soldiers responding from the fort to the attack on the Lower Sioux Agency had been ambushed and defeated at the Battle of Redwood Ferry.
Location not yet verified · War & conflict · Checked 2026-10-18
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1864 — Battle of Lovejoy's Station
The Battle of Lovejoy's Station was fought on August 20, 1864, in Clayton County, Georgia, during the American Civil War.
United States · War & conflict · Checked 2026-10-19
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1864 — Kinmon incident
The Kinmon incident (禁門の変, Kinmon no Hen; "Forbidden Gate Incident" or "Imperial Palace Gate Incident"), also known as the Hamaguri Gate Rebellion (蛤御門の変, Hamaguri Gomon no Hen; "Hamaguri Imperial Gate Incident"), was a rebellion against the Tokugawa shogunate in Japan that took place on 20 August [lunar calendar: 19th day, 7th month], 1864, near the Imperial Palace in Kyoto.
Location not yet verified · War & conflict · Checked 2026-10-18
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1866 — President Andrew Johnson formally declares the American Civil War over
The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States between the Union ("the North") and the Confederacy ("the South"), which was formed in 1861 by Southern states that had seceded from the Union to preserve slavery in the United States.
Location not yet verified · Politics & society · Checked 2026-10-19
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1873 — Bombardment of Omoa
The Bombardment of Omoa was an assault by the British ship Niobe under the command of Sir Lambton Loraine on the Honduran fortress of Omoa between 19 and 20 August 1873.
Honduras · War & conflict · Checked 2026-09-23
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1875 — 1875 Caversham by-election
The 1875 Caversham by-election was a by-election held on 20 August 1875 during the 5th New Zealand Parliament in the Caversham electorate in the south-east of the South Island. The by-election was held because of the death of sitting member of parliament William Tolmie. The election saw Robert Stout narrowly win the seat by just twenty-one votes over his sole opponent, William Larnach.
New Zealand · Politics & society · Checked 2026-09-23
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1877 — Battle of Camas Creek
The Battle of Camas Creek, August 20, 1877, was a raid by the Nez Perce Indians on a U.S. Army encampment and a subsequent battle during the Nez Perce War. The Nez Perce defeated three companies of U.S. cavalry and continued their fighting retreat to escape the U.S. Army.
United States · War & conflict · Checked 2026-09-23
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1882 — The 1812 Overture receives its official Moscow premiere
On August 20, 1882, Tchaikovsky’s 1812 Overture received its official Moscow premiere at the All-Russian Arts and Industrial Exhibition, conducted by Ippolit Altani. Written in 1880, the piece commemorates Russia’s defence against the French invasion of 1812. Earlier performances had already taken place in Ozerki and Pavlovsk.
August 20 is the Gregorian date, corresponding to August 8 in the Julian calendar. This records the official Moscow premiere.
Moscow, Russia · Arts & culture · Checked 2026-11-05
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1883 — Battle of Thuận An
The Battle of Thuan An (20 August 1883) was a clash between the French and the Vietnamese during the period of early hostilities of the Tonkin Campaign (1883 to 1886). During the battle a French landing force under the command of Admiral Amédée Courbet stormed the coastal forts that guarded the river approaches to the Vietnamese capital Huế, enabling the French to dictate a treaty to the Vietnamese that recognised a French protectorate over Tonkin. The French strike against the Vietnamese in August 1883, sanctioned by Jules Ferry's administration in Paris, did more than anything else to make a war between France and China inevitable, and sowed the seeds of the Vietnamese Can Vuong national uprising in July 1885.
Vietnam · War & conflict · Checked 2026-09-23
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1894 — Birth of Wu Mi
On 20 August 1894, Wu Mi, a scholar, was born.
Location not yet verified · Births & deaths · Checked 2026-10-26
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1903 — Battle of Taghit
The Battle of Taghit was the siege of a fort held by a contingent of the French Army of Africa against Moroccan tribesmen during the South-Oranese Campaign.
This entry records the event's end date, as given in the source infobox.
Location not yet verified · War & conflict · Checked 2026-10-18
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1904 — Battle of Korsakov
The Battle of Korsakov, a naval engagement of the Russo-Japanese War, was fought on 20 August 1904 off the southern coast of Sakhalin island. The battle foiled an attempt by the Imperial Russian Navy protected cruiser Novik at escaping Port Arthur to join the Russian cruiser squadron at Vladivostok, Russia, after the Russian Pacific Squadron was scattered in the Battle of the Yellow Sea.
Korsakov (town), Russia · War & conflict · Checked 2026-10-18
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1905 — The Tongmenghui of China () was a secret society and underground resistance movement founded by Sun Yat-sen, Song Jiaoren, and others in Tokyo, Empire of Japan, on 20 August 1905, with the goal of overthrowing China's Qing dynasty
The Tongmenghui of China (Chinese: 中國同盟會; pinyin: Zhōngguó Tóngménghuì) was a secret society and underground resistance movement founded by Sun Yat-sen, Song Jiaoren, and others in Tokyo, Empire of Japan, on 20 August 1905, with the goal of overthrowing China's Qing dynasty. It was formed from the merger of multiple late-Qing dynasty Chinese revolutionary groups.
Location not yet verified · Politics & society · Checked 2026-10-18
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1910 — Strong winds drive the Big Blowup fires in the northern Rockies
On August 20, 1910, hurricane-force winds drove many smaller wildfires into vast firestorms in the northern Rocky Mountains. The disaster, known as the Big Blowup or Great Fire of 1910, burned about three million acres in northern Idaho and western Montana over August 20 and 21.
August 20 marks the start of the major wind-driven firestorm; smaller fires had already been burning.
United States · Disasters · Checked 2026-11-05
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1915 — Siege of Novogeorgievsk
The siege of Novogeorgievsk was a battle of World War I fought after the Germans broke the Russian defenses in Paul von Hindenburg's Bug–Narew offensive. In terms of the ratio of casualties and trophies, the German victory at Novogeorgievsk surpassed the victory at Tannenberg in 1914. It is also one of the most brilliant victories in world military history in capturing a heavily fortified fortress defended by superior enemy forces.
This entry records the event's end date, as given in the source infobox.
Location not yet verified · War & conflict · Checked 2026-10-18
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1915 — Battle of the Gulf of Riga
The Battle of the Gulf of Riga was a World War I naval operation of the German High Seas Fleet against the Russian Baltic Fleet in the Gulf of Riga in the Baltic Sea in August 1915. The operation's objective was to destroy the Russian naval forces in the Gulf in preparation for landing German troops to facilitate the fall of Riga in the later stages of the Central Powers' offensive on the Eastern Front in 1915.
This entry records the event's end date, as given in the source infobox.
Location not yet verified · War & conflict · Checked 2026-10-18
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1920 — National Football League
The National Football League (NFL) is a professional American football league in the United States. Composed of 32 teams, it is divided equally between the American Football Conference (AFC) and the National Football Conference (NFC). The NFL is one of the major professional sports leagues in the United States and Canada and the highest professional level of American football in the world.
The National Football League is organized as the American Professional Football Conference in Canton, Ohio.
Location not yet verified · Sport · Checked 2026-10-18
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1920 — Detroit radio station 8MK goes on the air
Detroit station 8MK, later known as WWJ, aired its first broadcast.
Detroit, Michigan · Technology & industry · Checked 2026-11-06
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1926 — Three radio broadcasters combine to launch NHK
The radio organizations in Tokyo, Osaka and Nagoya dissolved and combined as the Japan Broadcasting Corporation, known as NHK. The new organization set up its headquarters in Tokyo and coordinated the three stations.
Tokyo, Japan · Arts & culture · Checked 2026-11-06
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1927 — A typhoon strikes Hong Kong and Macau
An unnamed typhoon brought severe winds to Hong Kong and Macau. Buildings collapsed in parts of Kowloon, and the storm damaged the waterfront and boats in Macau.
Hong Kong · Macau · Disasters · Checked 2026-11-07
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1934 — 2nd Venice International Film Festival
The 2nd annual Venice International Film Festival was held between 1 and 20 August 1934. This was the first year the festival had a competition with the Coppa Mussolini being awarded for Best Foreign Film and Best Italian Film.
Venice, Italy · Arts & culture · Checked 2026-09-23
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1935 — Third encirclement campaign against the Shaanxi–Gansu Soviet
The third encirclement campaign against the Shaanxi–Gansu Soviet was an encirclement campaign launched by the Chinese Nationalist Government that was intended to destroy the communist Shaanxi–Gansu Soviet and its Chinese Red Army in the local region.
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People's Republic of China · War & conflict · Checked 2026-10-18
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1940 — Hundred Regiments Offensive
The Hundred Regiments Offensive (Chinese: 百团大战) or the Hundred Regiments Campaign was a tactical campaign initiated by the Eighth Route Army, led by the Chinese Communist Party, against the Japanese invasion in North China from 20 August 1940, to 24 January 1941. The operation was named in recognition of the involvement of 105 regiments and represented the most extensive and protracted offensive by the Eighth Route Army in Japanese-occupied territory since the onset of the countrywide War of Resistance.
Shanxi, People's Republic of China · War & conflict · Checked 2026-10-25
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1940 — Churchill pays tribute to Britain's wartime air crews
In a speech to the House of Commons, Winston Churchill thanked fighter pilots and bomber crews for their work in the air war.
Palace of Westminster, London · War & conflict · Checked 2026-11-06
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1943 — Białystok Ghetto uprising
The Białystok Ghetto uprising was an insurrection in the Jewish Białystok Ghetto against the Nazi German occupation authorities during World War II. The uprising was launched on the night of August 16, 1943 and was the second-largest ghetto uprising organized in Nazi-occupied Poland after the Warsaw Ghetto Uprising of April–May 1943. It was led by the Anti-Fascist Military Organisation (Antyfaszystowska Organizacja Bojowa), a branch of the Warsaw Anti-Fascist Bloc.
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Location not yet verified · War & conflict · Checked 2026-10-18
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1944 — Battle of Romania
The Battle of Romania in World War II comprised several operations in or around Romania in 1944, as part of the Eastern Front, in which the Soviet Army defeated Axis (German and Romanian) forces in the area, Romania changed sides, and Soviet and Romanian forces drove the Germans back into Hungary. Soviet troops entered Romanian territory during the Uman–Botoșani offensive in March 1944, capturing several towns in northern Moldavia, including Botoșani.
World War II: The Battle of Romania begins with a major Soviet Union offensive.
Location not yet verified · War & conflict · Checked 2026-10-18
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1944 — Battle of Chambois
The Battle of Chambois was an August 1944 battle during the Battle of Normandy in World War II. Prior to the battle, a pocket had formed around Falaise, Calvados, where the German Army Group B, with the 7th Army and the Fifth Panzer Army (formerly Panzergruppe West) were encircled by the Western Allies.
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France · War & conflict · Checked 2026-10-18
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1944 — Seine River Crossing at Mantes-Gassicourt
General George Patton's Third Army's Seine River Crossing at Mantes-Gassicourt was the first allied bridgehead across the Seine River in the aftermath of Operation Overlord, which allowed the Allies to engage in the Liberation of Paris. During the two days of the bridge crossing, American anti-aircraft artillery shot down almost fifty German planes.
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France · War & conflict · Checked 2026-10-18
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1947 — Paraguayan Civil War (1947)
The Paraguayan Civil War (also known as the Barefoot Revolution and the Third Paraguayan Civil War) was a civil war in Paraguay that lasted from 7 March to 20 August 1947.
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Paraguay · War & conflict · Checked 2026-10-18
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1949 — Hungarian Constitution of 1949
The Hungarian Constitution of 1949 was a communist state constitution adopted on 20 August 1949[a] and significantly revised two times: on 26 April 1972 and on 23 October 1989, with the latter revision transforming it into a liberal democratic constitution.[b] The document was Hungary's first permanent written constitution, and until its replacement in 2011, the country was the only former Eastern Bloc nation that did not adopt an entirely new constitution after the fall of Communism.
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1950 — The Battle of P’ohang-dong ends
On August 20, 1950, the Battle of P’ohang-dong ended after fighting around what is now Pohang, South Korea. South Korean and other United Nations forces had pushed back the North Korean offensive in the area.
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1952 — 1952 Yukon general election
The 1952 Yukon general election was held on 20 August 1952 to elect the five members of the Yukon Territorial Council. The council was non-partisan, and worked on the basis of consensus government.
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1955 — Birth of Agnes Chan
On 20 August 1955, Agnes Chan, a writer, was born.
Hong Kong · Births & deaths · Checked 2026-10-26
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1959 — 1959 Newfoundland general election
The 1959 Newfoundland general election was held on 20 August 1959 to elect members of the 32nd General Assembly of Newfoundland. It was won by the Liberal party.
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1960 — 1960 Iranian general election
Parliamentary elections were held in Iran between 30 July and 20 August 1960. In order to demonstrate the appearance of a democratic free election, the Shah allowed candidates from the popular National Front to compete, however it returned no seats for them. The announced result was a massive victory for the Prime Minister Eghbal's Party of Nationalists.
Iran · Politics & society · Checked 2026-09-23
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1960 — Senegal withdraws from the Mali Federation
On August 20, 1960, Senegal withdrew from the Mali Federation. The federation had brought together Senegal and the former French Sudan, which went on to become the Republic of Mali.
Senegal · Politics & society · Checked 2026-11-05
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1961 — 1961 Mauritanian presidential election
Presidential elections were held for the first time in Mauritania on 20 August 1961 to elect the president for the next five years. Moktar Ould Daddah, who had been acting head of state since independence from France in 1960 was the only candidate, and was elected unopposed. Although he was a member of the ruling Mauritanian Regroupment Party, his candidacy was also supported by the Mauritanian National Union.
Mauritania · Politics & society · Checked 2026-09-23
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1968 — Warsaw Pact invasion of Czechoslovakia
On 20–21 August 1968, the Czechoslovak Socialist Republic was jointly invaded by four fellow Warsaw Pact countries: the Soviet Union, the Polish People's Republic, the People's Republic of Bulgaria, and the Hungarian People's Republic. The invasion stopped Alexander Dubček's Prague Spring liberalisation reforms and strengthened the authoritarian wing of the Communist Party of Czechoslovakia (KSČ).
Location not yet verified · War & conflict · Checked 2026-10-18
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1968 — Operation Somerset Plain
Operation Somerset Plain was a joint military operation conducted by the United States and the Army of the Republic of Vietnam (ARVN) in the A Sầu Valley from 4–20 August 1968.
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1971 — Operation Phalat
Operation Phalat (2 April–20 August 1971) was a military offensive of the Laotian Civil War aimed at an active defense of the Kingdom of Thailand's northern border with the Kingdom of Laos. Evoked by the approach of The Chinese Road, and despite feeble cooperation from the Royal Lao Government, the Thai military established a three-battalion presence on Lao territory south of the Mekong River as a defense against potential invasion by the People's Republic of China.
This entry records the event's end date, as given in the source infobox.
Laos · Thailand · War & conflict · Checked 2026-10-18
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1973 — 1973 Laotian coup attempt
The 1973 Laotian coup d'état attempt was a final attempt to stave off a communist coalition government of the Kingdom of Laos. Exiled General Thao Ma returned from the Kingdom of Thailand on 20 August 1973 to take over Wattay International Airport outside the capital of Vientiane. Commandeering an AT-28, he led air strikes upon the office and home of his hated rival, General Kouprasith Abhay.
Vientiane, Laos · War & conflict · Checked 2026-09-23
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1975 — ČSA Flight 540
ČSA Flight 540 was a regularly scheduled international flight from Prague, Czechoslovakia to Tehran, Iran via Damascus, Syria and Baghdad, Iraq. On 20 August 1975, the flight, operated by an Ilyushin Il-62, crashed 17 km (11 mi) from Damascus International Airport while descending at night in clear weather, breaking up and catching fire on impact. 126 of the 128 passengers and crew died in the accident, making it Syria's worst air disaster and the worst air disaster for the airline.
Syria · Disasters · Checked 2026-09-23
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1975 — Viking program
The Viking program consisted of a pair of identical American space probes, Viking 1 and Viking 2 both launched in 1975, and landed on Mars in 1976. The mission effort began in 1968 and was managed by the NASA Langley Research Center. Each spacecraft was composed of two main parts: an orbiter spacecraft which photographed the surface of Mars from orbit, and a lander which studied the planet from the surface. The orbiters also served as communication relays for the landers once they touched down. The Viking program grew from NASA's earlier, even more ambitious, Voyager Mars program, which was not related to the successful Voyager deep space probes of the late 1970s. Viking 1 was launched on August 20, 1975, and the second craft, Viking 2, was launched on September 9, 1975, both riding atop Titan IIIE rockets with Centaur upper stages.
Location not yet verified · Exploration · Checked 2026-10-18
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1977 — Voyager 2
Voyager 2 is a space probe launched by NASA on August 20, 1977, as a part of the Voyager program. It was launched on a trajectory towards the gas giants (Jupiter and Saturn) and enabled further encounters with the ice giants (Uranus and Neptune). The only spacecraft to have visited either of the ice giant planets, it was the third of five spacecraft to achieve Solar escape velocity, which allowed it to leave the Solar System.
Location not yet verified · Exploration · Checked 2026-10-18
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1981 — August 1981 Fermanagh and South Tyrone by-election
The August 1981 Fermanagh and South Tyrone by-election was the second by-election in the same year, held in Fermanagh and South Tyrone on 20 August 1981. It was seen by many as a rerun of the earlier contest in April. The by-election was caused by the death of the IRA hunger striker and MP Bobby Sands.
United Kingdom · Politics & society · Checked 2026-09-23
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1983 — 1983 FA Charity Shield
The 1983 FA Charity Shield was the 61st FA Charity Shield, an annual football match played between the winners of the previous season's First Division and FA Cup competitions. The match was played on 20 August 1983 at Wembley Stadium and contested by Liverpool, who had won the 1982–83 First Division, and Manchester United, who had won the 1982–83 FA Cup.
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1986 — A workplace shooting takes place at the Edmond post office
On August 20, 1986, a postal employee shot and killed 14 coworkers at the post office in Edmond, Oklahoma. Six other employees were wounded.
Edmond, Oklahoma, United States · War & conflict · Checked 2026-11-05
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1988 — Ballygawley bus bombing
The Ballygawley bus bombing was a roadside bomb attack by the Provisional Irish Republican Army (IRA) on a bus carrying British soldiers in Northern Ireland. It occurred in the early hours of 20 August 1988 in the townland of Curr near Ballygawley, County Tyrone. The attack killed eight soldiers and wounded another 28. It was the second-deadliest attack on the British Army in Northern Ireland during the Troubles, after the Warrenpoint ambush of 1979. In the wake of the bombing the British Army began ferrying its troops in and out of County Tyrone by helicopter.
Northern Ireland, United Kingdom · War & conflict · Checked 2026-09-23
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1988 — 1988 FA Charity Shield
The 1988 FA Charity Shield was the 66th Charity Shield, a football match contested by the winners of the previous season's Football League and FA Cup competitions. The match was played on 20 August 1988 between 1987–88 Football League champions Liverpool and 1987–88 FA Cup winners Wimbledon.
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1988 — Yellowstone’s wildfires spread rapidly on Black Saturday
The 1988 Yellowstone wildfires spread over more land on this day than on any other single day of the fire season. The National Park Service calls the day Black Saturday.
Yellowstone National Park, United States · Disasters · Checked 2026-11-06
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1988 — A ceasefire takes effect in the Iran–Iraq War
A United Nations-backed ceasefire between Iran and Iraq came into effect at 03:00 GMT after nearly eight years of war. UN military observers patrolled the front lines to monitor compliance.
Iran–Iraq front lines, Iran · Iran–Iraq front lines, Iraq · War & conflict · Checked 2026-11-06
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1989 — Marchioness disaster
The Marchioness disaster was a collision between two vessels on the River Thames in London in the early hours of 20 August 1989, which resulted in the deaths of 51 people. The pleasure boat Marchioness sank after being hit twice by the dredger Bowbelle at about 1:46 am, between Cannon Street railway bridge and Southwark Bridge.
London, United Kingdom · Disasters · Checked 2026-09-23
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1989 — 1989 NSL Cup final
The 1989 NSL Cup final was the final match of the 1989 NSL Cup, the 13th season of the National Soccer League Cup. It was played at Hindmarsh Stadium in Adelaide on 20 August 1989 between Adelaide City and Sydney Olympic. Adelaide City won the match 2–0 for their second NSL Cup title.
Adelaide, Australia · Sport · Checked 2026-09-23
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1991 — Estonia's Supreme Council votes to restore independence
The Supreme Council of the Republic of Estonia adopted a resolution restoring national independence. Sixty-nine members voted in favor.
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1992 — India’s Parliament passes a bill adding three languages to the Eighth Schedule
On August 20, 1992, both houses of India’s Parliament passed a constitutional amendment adding Konkani, Manipuri and Nepali to the Eighth Schedule. The amendment received presidential assent on August 31.
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1994 — 1994 Supercupa României
The 1994 Supercupa României was the first edition of Romania's season opener cup competition. The match was played in Bucharest at Stadionul Național on 20 August 1994, and was contested between Divizia A title holders, Steaua București and Cupa României champions, Gloria Bistrița. Steaua București became the first winner of the trophy after a goal scored by Marian Popa in extra time.
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1995 — Firozabad rail disaster
The Firozabad rail disaster occurred on 20 August 1995 near Firozabad on the Delhi-Kanpur section of India's Northern Railway, at 02:55 when a passenger train collided with a train which had stopped after hitting a cow, killing 358 people (although some sources estimate the deaths at more than 400). The accident happened in the Indian state of Uttar Pradesh; both trains were bound for the Indian capital, Delhi. The first train, the "Kalindi Express" from Kanpur struck a cow but was unable to proceed as its brakes were damaged. It was then struck from behind at a speed of 70 Kmph by the Purushottam Express from Puri.
India · Disasters · Checked 2026-09-23
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1995 — IWA Kawasaki Dream
Kawasaki Dream was a professional wrestling supercard produced by the Japanese professional wrestling promotion International Wrestling Association (IWA). The event took place on August 20, 1995, at the Kawasaki Stadium in Kawasaki, Kanagawa. The event was a huge success for the promotion drawing a crowd of 28,757 attendants, the largest crowd for an IWA Japan show and it was the most successful and biggest show of the promotion.
Japan · Arts & culture · Checked 2026-09-23
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1997 — Souhane massacre
The largest of the Souhane massacres took place in the small mountain town of Souhane (about 25 km south of Algiers, between Larbaa and Tablat) on 20–21 August 1997. 64 people were killed, and 15 women kidnapped; the resulting terror provoked a mass exodus, bringing the town's population down from 4000 before the massacre to just 103 in 2002. Smaller-scale massacres later took place on November 27, 1997 (18 men, 3 women, 4 children killed) and 2 March 2000, when some 10 people from a single household were killed by guerrillas. The massacres were blamed on Islamist groups such as the GIA.
Algeria · War & conflict · Checked 2026-09-23
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1998 — Operation Infinite Reach
Operation Infinite Reach was the codename for American cruise missile strikes on al-Qaeda bases that were launched concurrently across two continents on 20 August 1998. Launched by the U.S. Navy, the strikes hit the al-Shifa pharmaceutical factory in Khartoum, Sudan, and a camp in Khost Province, Afghanistan, in retaliation for al-Qaeda's August 7 bombings of American embassies in Kenya and Tanzania, which killed 224 people (including 12 Americans) and injured over 4,000 others.
Location not yet verified · War & conflict · Checked 2026-10-18
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2003 — 2003 TNA Super X Cup Tournament
The 2003 Super X Cup Tournament was an X Cup professional wrestling X Division tournament and pay-per-view event produced by Total Nonstop Action Wrestling (TNA), which took place on August 20, 2003, at the TNA Asylum in Nashville, Tennessee. It was aired on September 3 via tape delay. The event featured the first-ever eight-man Super X Cup Tournament, which was won by Chris Sabin, who defeated Juventud Guerrera in the tournament final.
Nashville, Tennessee, United States · Tennessee, United States · Arts & culture · Checked 2026-09-23
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2004 — WEC 11
WEC 11: Evolution was a mixed martial arts event promoted by World Extreme Cagefighting on August 20, 2004 at the Tachi Palace Hotel & Casino in Lemoore, California. The main event saw Shonie Carter take on Jason Biswell.
California, United States · Sport · Checked 2026-09-23
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2004 — Torneo Gran Alternativa (2004)
The Torneo Gran Alternativa (2004) (Spanish for "Great Alternative Tournament") was a professional wrestling tournament held by the Mexican professional wrestling promotion Consejo Mundial de Lucha Libre (CMLL; Spanish for "World Wrestling Council"). The tournament was held on August 20, 2004, in Mexico City, Mexico at CMLL's main venue, Arena México. The Gran Alternativa tournament features tag teams composed of a rookie, or novato, and a veteran wrestler for an elimination tournament.
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2004 — 2004 Supertaça Cândido de Oliveira
The 2004 Supertaça Cândido de Oliveira was the 26th edition of the Supertaça Cândido de Oliveira, the annual Portuguese football season-opening match contested by the winners of the previous season's top league and cup competitions (or cup runner-up in case the league- and cup-winning club is the same). The match was contested between the 2003–04 Primeira Liga winners, Porto and the 2003–04 Taça de Portugal winners, Benfica.
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2005 — UFC 54
UFC 54: Boiling Point was a mixed martial arts event held by the Ultimate Fighting Championship on August 20, 2005, at the MGM Grand Arena in Las Vegas, Nevada. The event was broadcast live on pay-per-view in the United States, and later released on DVD.
Las Vegas, United States · Sport · Checked 2026-09-23
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2005 — 2005 Supercoppa Italiana
The 2005 Supercoppa Italiana was a match contested by 2004–05 Serie A champions Juventus (although subsequently stripped of the title due to Calciopoli) and 2004–05 Coppa Italia winners Inter Milan. The match took place on 20 August 2005, and resulted in a 1–0 win for Inter Milan after Juan Sebastián Verón's goal in extra time; Juventus' David Trezeguet had scored a regular goal just before half-time but it was not allowed due to a non-existent offside.
Italy · Sport · Checked 2026-10-18
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2006 — SummerSlam (2006)
SummerSlam (2006) was the nineteenth annual SummerSlam professional wrestling pay-per-view event produced by World Wrestling Entertainment (WWE). It took place on August 20, 2006, at the TD Banknorth Garden in Boston, Massachusetts, and involved performers from the Raw, SmackDown!, and ECW brands. This marked the first inter-brand pay-per-view including the ECW brand. The main match on the Raw brand pitted Edge against John Cena for the WWE Championship, which Edge won by pinfall after hitting Cena in the back of the head with a pair of brass knuckles.
Boston, United States · Massachusetts, United States · Arts & culture · Checked 2026-09-23
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2007 — British Virgin Islands general election, 2007
The British Virgin Islands general election, 2007 was held in the British Virgin Islands on 20 August 2007. The result was a landslide victory for the opposition Virgin Islands Party (VIP) over the incumbent National Democratic Party (NDP). The VIP took 7 of the 9 district seats (of the remaining district seats, only 1 was taking by the NDP; the other was taken by Alvin Christopher, an independent candidate endorsed by the VIP). The VIP also took 3 out of the 4 territorial at-large seats. The only two NDP candidates to retain their seats were former Chief Minister Orlando Smith and seventh district representative Kedrick Pickering.
British Virgin Islands · Politics & society · Checked 2026-09-23
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2007 — China Airlines Flight 120
China Airlines Flight 120 was a regularly scheduled international flight from Taoyuan International Airport in Taoyuan County (now Taoyuan City), Taiwan to Naha Airport in Okinawa Prefecture, Japan. On 20 August 2007, the Boeing 737-800 aircraft operating the flight caught fire and exploded after landing and taxiing to the gate area at Naha Airport. Four people—three from the aircraft and one ground crew—sustained injuries in the accident.
Japan · Disasters · Checked 2026-09-23
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2007 — 2007 Turkish presidential election
The 2007 Turkish presidential election refers to two attempts to elect the country's 11th president, to succeed Ahmet Necdet Sezer. The most likely candidate for president was Abdullah Gül. Turkey's presidential office is regarded as the guardian of the country's secular system; the fact that Gül's wife wears the Islamic headscarf, as well as his own history in political Islam, turned the elections into a political crisis.
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Turkey · Politics & society · Checked 2026-10-18
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2008 — Spanair Flight 5022
Spanair Flight 5022 was a scheduled domestic passenger flight from Barcelona–El Prat Airport to Gran Canaria Airport, Spain, with a stopover in Madrid–Barajas Airport that crashed just after take-off from runway 36L at Madrid-Barajas Airport at 14:24 CEST (12:24 UTC) on 20 August 2008. The aircraft was a McDonnell Douglas MD-82, registration EC-HFP. Of the 172 passengers and crew on board, 154 died and 18 survived.
Madrid, Spain · Disasters · Checked 2026-09-23
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2008 — Yin Jian wins China’s first Olympic sailing gold
Windsurfer Yin Jian won the women’s RS:X event at the Qingdao Olympic Sailing Centre. She finished third in the medal race, which put her one point ahead of Italy’s Alessandra Sensini in the overall standings.
Qingdao Olympic Sailing Centre, Qingdao, Shandong, China · Sport · Checked 2026-11-07
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2008 — Wu Jingyu wins Olympic taekwondo gold in Beijing
Wu Jingyu defeated Thailand’s Buttree Puedpong in the women’s 49 kg final at the Beijing Games. It was her first Olympic gold and the first for China in taekwondo at those Games.
University of Science and Technology Beijing Gymnasium, Beijing, China · Sport · Checked 2026-11-07
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2009 — Festival de las Máscaras (2009)
The 2009 Festival de las Máscaras (Spanish for "Festival of the Mask") was a major lucha libre event produced and scripted by the Mexican International Wrestling Revolution Group (IWRG) professional wrestling promotion on August 20, 2009. The show was held in Arena Naucalpan, Naucalpan, State of Mexico, which is IWRG's primary venue. The 2009 event was only the second time IWRG held a Festival de las Máscaras, which would become an annual tradition.
Naucalpan, Mexico · State of Mexico, Mexico · Arts & culture · Checked 2026-09-23
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2011 — First Air Flight 6560
First Air Flight 6560 was a domestic charter flight that crashed on landing at Resolute, Nunavut, Canada, on 20 August 2011. Of the fifteen people on board, twelve were killed and the remaining three were severely injured. The Boeing 737-200 of First Air was operating a service from Yellowknife, Northwest Territories, when it struck a hill obscured by clouds near Resolute Bay Airport.
Canada · Disasters · Checked 2026-09-23
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2011 — Battle of Los Angeles (2011)
Battle of Los Angeles (2011) was the seventh Battle of Los Angeles professional wrestling tournament produced by Pro Wrestling Guerrilla (PWG). The event took place on August 20, 2011, at the American Legion Post #308 in Reseda, Los Angeles, California. It marked the first time that the Battle of Los Angeles tournament was held over one night. The event concluded with a tournament final in which El Generico defeated Kevin Steen.
California, United States · Arts & culture · Checked 2026-09-23
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2011 — Second Battle of Zawiya
The Second Battle of Zawiya or Zawia took place during the Libyan Civil War between rebel anti-Gaddafi forces and forces loyal to Muammar Gaddafi for control of the Tripolitania city of Zawia.
This entry records the event's end date, as given in the source infobox.
Libya · War & conflict · Checked 2026-10-18
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2011 — Perros del Mal vs. XPW
An Xtreme Pro Wrestling (XPW) reunion show called Perros del Mal vs. XPW: Xtremo y Sangriento, also known simply as Perros del Mal vs. XPW, was held on August 20, 2011, in Tultitlán, Mexico. This was the third XPW reunion show held since 2008 and the first to be co-promoted with Mexican lucha libre promotion Perros del Mal. The event took place at Central de Refacciones, a local junk yard.
Mexico · Arts & culture · Checked 2026-10-18
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2014 — Heavy rain triggers deadly landslides in Hiroshima
Intense rain triggered debris flows and landslides in the Asakita and Asaminami wards of Hiroshima. The flows struck neighborhoods at the foot of the hills.
Hiroshima · Disasters · Checked 2026-11-05
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2016 — NXT TakeOver: Brooklyn II
NXT TakeOver: Brooklyn II was a professional wrestling show in the NXT TakeOver series that took place on August 20, 2016 at Barclays Center in Brooklyn, New York. The event was produced by WWE, showcasing its NXT developmental brand, and streamed live on the WWE Network. Eight matches were contested at the event, including two matches taped for future episodes of NXT. In the main event, Shinsuke Nakamura defeated Samoa Joe to capture the NXT Championship. The event also saw the in-ring debuts of Bobby Roode and Ember Moon.
Brooklyn, United States · New York, United States · Arts & culture · Checked 2026-09-23
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2016 — UFC 202
UFC 202: Diaz vs. McGregor 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on August 20, 2016, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas metropolitan area. This event was the first one under the full control of the new ownership group consisting of William Morris Endeavor, Silver Lake Partners, Kohlberg Kravis Roberts and MSD Capital.
Nevada, United States · Sport · Checked 2026-09-24
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2016 — Football at the 2016 Summer Olympics – Men's tournament final
The 2016 Summer Olympic football gold medal match was a football match to determine the gold medal winners of men's football tournament at the 2016 Summer Olympics. The match was the 24th final of the men's football tournament at the Olympics, a quadrennial tournament contested by the men's national teams of the member associations of FIFA to decide the Olympic champions. The match was held at Maracanã Stadium in Rio de Janeiro, Brazil, on 20 August 2016, and it was played between hosts Brazil and Germany.
Brazil · Sport · Checked 2026-09-24
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2016 — August 2016 Gaziantep bombing
On 20 August 2016, a suicide bomber targeted a Kurdish wedding in Gaziantep, Turkey. 57 people were killed and 66 injured in the attack, 14 critically.
Turkey · War & conflict · Checked 2026-10-18
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2016 — Battle of al-Rai (August 2016)
The Battle of al-Rai was fought in August 2016 between the Free Syrian Army (FSA) and the Islamic State in the border town of al-Rai, part of the northern Aleppo Governorate on the border with Turkey, which resulted in the FSA capturing the town.
This entry records the event's end date, as given in the source infobox.
Location not yet verified · War & conflict · Checked 2026-10-18
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2017 — La Gran Cruzada (2017)
La Gran Cruzada (2017) (Spanish for "The Great Crusade") was an ajor professional wrestling supercard event produced by Mexican professional wrestling promotion International Wrestling Revolution Group (IWRG), which took place on August 20, 2017, in Arena Naucalpan, Naucalpan, State of Mexico, Mexico. The main event of the show was the eponymous Gran Cruzada tournament, a 30-man Battle Royal with the winner earning a championship match for his weight division.
Naucalpan, Mexico · Arts & culture · Checked 2026-09-23
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2017 — Ryōgoku Peter Pan 2017
Ryōgoku Peter Pan 2017: Peter Pan, Even at Twenty, Is Still Peter Pan (両国ピーターパン2017〜ピーターパン 二十歳になっても ピーターパン〜, Ryōgoku Pītā Pan 2017: Pītā Pan Hatachi ni Natte mo Pītā Pan) was a professional wrestling event promoted by DDT Pro-Wrestling (DDT). The event took place on August 20, 2017, in Tokyo at the Ryōgoku Kokugikan. The event featured seventeen matches, seven of which were contested for championships.
Tokyo, Japan · Arts & culture · Checked 2026-09-23
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2017 — SummerSlam (2017)
The 2017 SummerSlam was a professional wrestling pay-per-view (PPV) and livestreaming event produced by WWE, held for wrestlers from the promotion's main roster brands, Raw and SmackDown. It was the 30th annual SummerSlam and took place on August 20, 2017, at Barclays Center in Brooklyn, New York. This was the third of four consecutive SummerSlam events to take place at the arena.
Brooklyn, United States · Arts & culture · Checked 2026-09-23
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2017 — Victory Road (2017)
The 2017 Victory Road (aka Impact!: Victory Road) was a special episode of Impact Wrestling and the tenth edition of Victory Road professional wrestling event produced by the Impact Wrestling promotion, which took place on August 20, 2017 at the Impact Zone in Orlando, Florida and aired on television on September 28, 2017. Four matches were contested at the event including three championship matches.
Florida, United States · Arts & culture · Checked 2026-09-23
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2020 — 2020 Democratic National Convention
The 2020 Democratic National Convention was a presidential nominating convention that was held from August 17 to 20, 2020, at the Wisconsin Center in Milwaukee, Wisconsin, and virtually across the United States. At the convention, delegates of the United States Democratic Party formally chose former Vice President Joe Biden and Senator Kamala Harris of California as the party's nominees for president and vice president, respectively, in the 2020 United States presidential election.
Joe Biden gives his acceptance speech virtually for the 2020 Democratic presidential nomination at the 2020 Democratic National Convention.
Location not yet verified · Politics & society · Checked 2026-10-18
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2021 — Bellator 265
Bellator 265: Kongo vs. Kharitonov was a mixed martial arts event produced by Bellator MMA that took place on August 20, 2021 at the Sanford Pentagon in Sioux Falls, South Dakota, United States.
South Dakota, United States · Sport · Checked 2026-09-24
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2022 — UFC 278
UFC 278: Usman vs. Edwards 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 20, 2022, at Vivint Arena in Salt Lake City, Utah, United States.
Utah, United States · Sport · Checked 2026-09-23
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2022 — PFL 9 (2022)
The PFL 9 mixed martial arts event for the 2022 season of the Professional Fighters League was held on August 20, 2022, at the Copper Box Arena in London, England. This was the start of the playoffs for the Women's Lightweight and Featherweight divisions.
London, United Kingdom · Sport · Checked 2026-09-23
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2022 — 2022 Fannie Bay by-election
A by-election in the seat of Fannie Bay in the Northern Territory was held on 20 August 2022, following the resignation of Michael Gunner, the MLA for Fannie Bay and former chief minister, on 27 July 2022. Early voting started on Monday 8 August.
Location not yet verified · Politics & society · Checked 2026-10-18
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2023 — 2023 FIFA Women's World Cup final
The 2023 FIFA Women's World Cup final was an association football match that determined the winner of the 2023 FIFA Women's World Cup. The match was played at the Stadium Australia in Sydney, Australia, on 20 August 2023, and was contested by Spain and England. It took place in front of 75,784 supporters, and Spain won the final 1–0 through a goal from Olga Carmona, assisted by Mariona Caldentey.
Sydney, Australia · Sport · Checked 2026-09-24
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2023 — Guatemala holds its presidential runoff
On August 20, 2023, Guatemalans voted in the presidential runoff. Bernardo Arévalo defeated Sandra Torres.
Guatemala · Politics & society · Checked 2026-11-05
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2024 — 2024 Miami-Dade County mayoral election
The 2024 Miami-Dade County mayoral election was held on August 20, 2024, to elect the mayor of Miami-Dade County, Florida. The election was officially nonpartisan; a runoff election would have occurred on November 5, 2024, if no candidate won a majority of the vote. Incumbent Daniella Levine Cava, first elected in 2020 with 54.0% of the vote, was re-elected in a landslide.
Location not yet verified · Politics & society · Checked 2026-10-18
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2024 — Cheyenne holds its mayoral primary
On August 20, 2024, Cheyenne, Wyoming, held its mayoral primary. Incumbent mayor Patrick Collins advanced to the November general election.
Cheyenne, Wyoming, United States · Politics & society · Checked 2026-11-05
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2024 — Volusia County holds its county chair primary
On August 20, 2024, Volusia County, Florida, held a primary for county chair. Incumbent Jeff Brower and challenger Randy Dye advanced to the November election.
Volusia County, Florida, United States · Politics & society · Checked 2026-11-05
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2025 — Israel reports preliminary military operations near Gaza City
On August 20, 2025, the Israeli military said its troops were operating on the outskirts of Gaza City. The announcement concerned preliminary operations in the area.
Outskirts of Gaza City, Gaza Strip · War & conflict · Checked 2026-11-05
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2025 — 2025 Tasmanian Labor Party leadership election
The 2025 Tasmanian Labor Party leadership election was held on 20 August 2025 to elect the leader of the Tasmanian Labor Party and, ex officio, Leader of the Opposition. The election took place after Labor lost the state election held on 19 July 2025, their fifth consecutive election loss. Josh Willie was successful in his leadership bid, defeating Dean Winter.
Location not yet verified · Politics & society · Checked 2026-10-18
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