September 4476 – Romulus Augustulus is deposed when Odoacer proclaims himself "King of Italy", thus ending the Western Roman Empire. 626 – Li Shimin, posthumously known as Emperor Taizong of Tang, assumes the throne over the Tang dynasty of China. 929 – Battle of Lenzen: Slavic forces (the Redarii and the Obotrites) are defeated by a Saxon army near the fortified stronghold of Lenzen in Brandenburg. 1260 – The Sienese Ghibellines, supported by the forces of Manfred, King of Sicily, defeat the Florentine Guelphs at Montaperti.
April 9193 – The distinguished soldier Septimius Severus is proclaimed emperor by the army in Illyricum. 475 – Byzantine Emperor Basiliscus issues a circular letter (Enkyklikon) to the bishops of his empire, supporting the Monophysite christological position. 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 81010 – Ferdowsi completes his epic poem Shahnameh. 1126 – Following the death of his mother, queen Urraca of León, Alfonso VII is proclaimed king of León. 1262 – Battle of Hausbergen between bourgeois militias and the army of the bishop of Strasbourg. 1558 – The city of Pori (Björneborg) is founded by Duke John on the shores of the Gulf of Bothnia. 1658 – Treaty of Roskilde: After a devastating defeat in the Northern Wars (1655–1661), Frederick III, the King of Denmark–Norway is forced to give up nearly half his territory to Sweden.
December 28418 – A papal election begins, resulting in the election of Pope Boniface I. 457 – Majorian is acclaimed as Western Roman emperor. 484 – Alaric II succeeds his father Euric and becomes king of the Visigoths. He establishes his capital at Aire-sur-l'Adour (Southern Gaul). 893 – An earthquake destroys the city of Dvin, Armenia. 1065 – Edward the Confessor's Romanesque monastic church at Westminster Abbey is consecrated. 1308 – The reign of Emperor Hanazono of Japan begins.
December 131294 – Saint Celestine V resigns the papacy after only five months to return to his previous life as an ascetic hermit. 1545 – The Council of Trent begins as the embodiment of the Counter-Reformation. 1577 – Sir Francis Drake sets sail from Plymouth, England, on his round-the-world voyage. 1623 – The Plymouth Colony establishes the system of trial by 12-men jury in the American colonies. 1636 – The Massachusetts Bay Colony organizes three militia regiments to defend the colony against the Pequot Indians, a date now considered the founding of the National Guard of the United States.
1922January 1922 January 7 – Dáil Éireann, the parliament of the Irish Republic, ratifies the Anglo-Irish Treaty by 64–57 votes. January 10 – Arthur Griffith is elected President of Dáil Éireann, the day after Éamon de Valera resigns. January 11 – The first successful insulin treatment of diabetes is made, by Frederick Banting in Toronto. January 15 – Michael Collins becomes Chairman of the Provisional Government of the Irish Free State. January 26 – Italian forces occupy Misrata, Libya; the reconquest of Libya begins.
June 281098 – Fighters of the First Crusade defeat Kerbogha of Mosul at the battle of Antioch. 1360 – Muhammed VI becomes the tenth Nasrid king of Granada after killing his brother-in-law Ismail II. 1461 – Edward, Earl of March, is crowned King Edward IV of England. 1495 – A French force heavily defeats a much larger Neapolitan and Spanish army at the battle of Seminara, leading to the creation of the Tercios by Gonzalo de Córdoba. 1519 – Charles V is elected Emperor of the Holy Roman Empire.
June 3350 – The Roman usurper Nepotianus, of the Constantinian dynasty, proclaims himself Roman emperor, entering Rome at the head of a group of gladiators. 713 – The Byzantine emperor Philippicus is blinded, deposed and sent into exile by conspirators of the Opsikion army in Thrace. He is succeeded by Anastasios II, who begins the reorganization of the Byzantine army. 1098 – After a five-month siege during the First Crusade, the Crusaders seize Antioch (today's Turkey). 1140 – The French scholar Peter Abelard is found guilty of heresy.
July 26657 – First Fitna: In the Battle of Siffin, troops led by Ali ibn Abu Talib clash with those led by Muawiyah I. 811 – Battle of Pliska: Byzantine Emperor Nikephoros I is killed and his heir Staurakios is seriously wounded. 920 – Rout of an alliance of Christian troops from Navarre and Léon against the Muslims at the Battle of Valdejunquera. 1309 – The Holy Roman Emperor Henry VII is recognized King of the Romans by Pope Clement V. 1509 – The Emperor Krishnadevaraya ascends to the throne, marking the beginning of the regeneration of the Vijayanagara Empire.
June 10671 – Emperor Tenji of Japan introduces a water clock (clepsydra) called Rokoku. The instrument, which measures time and indicates hours, is placed in the capital of Ōtsu. 1190 – Third Crusade: Frederick I Barbarossa drowns in the river Saleph while leading an army to Jerusalem. 1329 – The Battle of Pelekanon is the last attempt of the Byzantine Empire to retain its cities in Asia Minor. 1358 – Battle of Mello: The peasant forces of the Jacquerie are crushed by the army of the French nobility.
