9th day events in history

September 9, 9 Arminius' alliance of six Germanic tribes ambushes and annihilates three Roman legions of Publius Quinctilius Varus in the Battle of the Teutoburg Forest
June 9, 53 The Roman Emperor Nero marries Claudia Octavia
June 9, 68 The Roman Emperor Nero commits suicide, after quoting Homer's Iliad, thus ending the Julio-Claudian dynasty and starting the civil war known as the Year of the Four Emperors
April 9, 193 Lucius Septimius Severus is proclaimed Emperor by his troops in Illyricum (Balkans). He marches with his army (16 legions) to Rome
September 9, 337 Constantine II, Constantius II, and Constans succeed their father Constantine I as co-emperors. The Roman Empire is divided between the three Augusti
August 9, 378 Gothic War: Battle of Adrianople – A large Roman army led by Emperor Valens is defeated by the Visigoths. Valens is killed along with over half of his army
July 9, 455 The Roman military commander Avitus is proclaimed Emperor of the Western Roman Empire
February 9, 474 Zeno crowned as co-emperor of the Byzantine Empire
January 9, 475 Byzantine Emperor Zeno is forced to flee his capital at Constantinople, and his general, Basiliscus gains control of the empire
April 9, 475 Byzantine Emperor Basiliscus issues a circular letter (Enkyklikon) to the bishops of his empire, supporting the Monophysite christological position
December 9, 480 Odoacer, first King of Italy, occupies Dalmatia. He later establishes his political power with the co-operation of the Roman Senate
July 9, 491 Odoacer makes a night assault with his Heruli guardsmen, engaging Theoderic the Great in Ad Pinetam. Both sides suffer heavy losses, but in the end Theodoric forces Odoacer back into Ravenna
September 9, 533 A Byzantine army of 15,000 men under Belisarius lands at Caput Vada (modern Tunisia) and marches to Carthage
December 9, 536 Gothic War: The Byzantine general Belisarius enters Rome unopposed; the Gothic garrison flee the capital
April 9, 537 Siege of Rome: The Byzantine general Belisarius receives his promised reinforcements, 1,600 cavalry, mostly of Hunnic or Slavic origin and expert bowmen. He starts, despite shortages, raids against the Gothic camps and Vitiges is forced into a stalemate
March 9, 632 The Last Sermon (Khutbah, Khutbatul Wada') of the Islamic prophet Muhammad
July 9, 660 Battle of Hwangsanbeol: Korean forces under general Kim Yu-shin defeat the army of Baekje at Nonsan (South Korea)
January 9, 681 Twelfth Council of Toledo: King Erwig of the Visigoths initiates a council in which he implements diverse measures against the Jews in Spain
November 9, 694 At the Seventeenth Council of Toledo, Egica, a king of the Visigoths of Hispania, accuses Jews of aiding Muslims, sentencing all Jews to slavery
June 9, 721 Odo of Aquitaine defeats the Moors in the Battle of Toulouse
December 9, 730 Battle of Marj Ardabil: The Khazars annihilate an Umayyad army and kill its commander, al-Jarrah ibn Abdallah al-Hakami
June 9, 747 Abbasid Revolution: Abu Muslim Khorasani, Arab military leader, begins an open revolt against Umayyad rule, which is carried out under the sign of the Black Standard
October 9, 768 Carloman I and Charlemagne are crowned Kings of The Franks
July 9, 869 A magnitude 8.6Ms earthquake and subsequent tsunami strikes the area around Sendai in the northern part of Honshu, Japan
September 9, 1000 Battle of Svolder, Viking Age
March 9, 1009 First known mention of Lithuania, in the annals of the monastery of Quedlinburg
September 9, 1087 William Rufus becomes King of England, taking the title William II, (reigned until 1100)
May 9, 1092 Lincoln Cathedral is consecrated
January 9, 1127 Jin–Song wars: Invading Jurchen soldiers from the Jin Dynasty besiege and sack Bianjing (Kaifeng), the capital of the Song Dynasty of China, and abduct Emperor Qinzong and others, ending the Northern Song Dynasty
September 9, 1141 Yelü Dashi, the Liao dynasty general who founded the Qara-Khitai, defeats the Seljuq and Kara-Khanid forces at the Battle of Qatwan
January 9, 1150 Prince Hailing of Jin and other court officials murder Emperor Xizong of Jin. Hailing succeeds him as emperor
August 9, 1173 Construction of the campanile of the Cathedral of Pisa (now known as the Leaning Tower of Pisa) begins; it will take two centuries to complete
March 9, 1230 Bulgarian tsar Ivan Asen II defeats Theodore of Epirus in the Battle of Klokotnitsa
October 9, 1238 James I of Aragon conquers Valencia and founds the Kingdom of Valencia
April 9, 1241 Battle of Liegnitz: Mongol forces defeat the Polish and German armies
October 9, 1264 The Kingdom of Castile conquers the city of Jerez that was under Muslim occupation since 711
March 9, 1276 Augsburg becomes an Imperial Free City
November 9, 1282 Pope Martin IV excommunicates King Peter III of Aragon
April 9, 1288 Mongol invasions of Vietnam: Yuan forces are defeated by Tran forces in the Battle of Bach Dang in present-day northern Vietnam
June 9, 1311 Duccio's Maestà Altarpiece, a seminal artwork of the early Italian Renaissance, is unveiled and installed in Siena Cathedral in Siena, Italy
November 9, 1313 Louis the Bavarian defeats his cousin Frederick I of Austria at the Battle of Gammelsdorf
August 9, 1329 Quilon, the first Indian Christian Diocese, is erected by Pope John XXII; the French-born Jordanus is appointed the first Bishop
November 9, 1330 At the Battle of Posada, Basarab I of Wallachia defeats the Hungarian army of Charles I Robert
January 9, 1349 The Jewish population of Basel, Switzerland, believed by the residents to be the cause of the ongoing Black Death, is rounded up and incinerated
July 9, 1357 Emperor Charles IV assists in laying the foundation stone of Charles Bridge in Prague
September 9, 1379 Treaty of Neuberg, splitting the Austrian Habsburg lands between the Habsburg dukes Albert III and Leopold III
May 9, 1386 England and Portugal formally ratify their alliance with the signing of the Treaty of Windsor, making it the oldest the oldest diplomatic alliance in the world which is still in force
July 9, 1386 The Old Swiss Confederacy makes great strides in establishing control over its territory by soundly defeating the Archduchy of Austria in the Battle of Sempach
April 9, 1388 Despite being outnumbered 16 to 1, forces of the Old Swiss Confederacy are victorious over the Archduchy of Austria in the Battle of Näfels
April 9, 1413 Henry V is crowned King of England