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.
November 22498 – After the death of Anastasius II, Symmachus is elected Pope in the Lateran Palace, while Laurentius is elected Pope in Santa Maria Maggiore. 845 – The first duke of Brittany, Nominoe, defeats the Frankish king Charles the Bald at the Battle of Ballon near Redon. 1307 – Pope Clement V issues the papal bull Pastoralis Praeeminentiae which instructed all Christian monarchs in Europe to arrest all Templars and seize their assets. 1574 – Spanish navigator Juan Fernández discovers islands now known as the Juan Fernández Islands off Chile.
FebruaryFebruary is the second month of the year in the Julian and Gregorian calendars. The month has 28 days in common years or 29 in leap years, with the 29th day being called the leap day. It is the first of five months not to have 31 days (the other four being April, June, September, and November) and the only one to have fewer than 30 days. February is the third and last month of meteorological winter in the Northern Hemisphere.
November 3361 – Emperor Constantius II dies of a fever at Mopsuestia in Cilicia; on his deathbed he is baptised and declares his cousin Julian rightful successor. 1333 – The River Arno floods causing massive damage in Florence as recorded by the Florentine chronicler Giovanni Villani. 1468 – Liège is sacked by Charles I of Burgundy's troops. 1492 – Peace of Etaples between Henry VII of England and Charles VIII of France. 1493 – Christopher Columbus first sights the island of Dominica in the Caribbean Sea.
August 4598 – Goguryeo-Sui War: In response to a Goguryeo (Korean) incursion into Liaoxi, Emperor Wéndi of Sui orders his youngest son, Yang Liang (assisted by the co-prime minister Gao Jiong), to conquer Goguryeo during the Manchurian rainy season, with a Chinese army and navy. 1265 – Second Barons' War: Battle of Evesham: The army of Prince Edward (the future king Edward I of England) defeats the forces of rebellious barons led by Simon de Montfort, 6th Earl of Leicester, killing de Montfort and many of his allies.
June 20451 – Battle of Chalons: Flavius Aetius' battles Attila the Hun. After the battle, which was inconclusive, Attila retreats, causing the Romans to interpret it as a victory. 1180 – First Battle of Uji, starting the Genpei War in Japan. 1622 – The Battle of Höchst takes place during the Thirty Years' War. 1631 – The Sack of Baltimore: The Irish village of Baltimore is attacked by Barbary slave traders. 1652 – Tarhoncu Ahmed Pasha is appointed Grand Vizier of the Ottoman Empire.
November 131002 – English king Æthelred II orders the killing of all Danes in England, known today as the St. Brice's Day massacre. 1093 – Battle of Alnwick: in an English victory over the Scots, Malcolm III of Scotland, and his son Edward, are killed. 1160 – Louis VII of France marries Adela of Champagne. 1642 – First English Civil War: Battle of Turnham Green: The Royalist forces withdraw in the face of the Parliamentarian army and fail to take London.
March 21537 – Siege of Rome: King Vitiges attempts to assault the northern and eastern city walls, but is repulsed at the Praenestine Gate, known as the Vivarium, by the defenders under the Byzantine generals Bessas and Peranius. 630 – Emperor Heraclius returns the True Cross, one of the holiest Christian relics, to Jerusalem. 717 – Battle of Vincy between Charles Martel and Ragenfrid. 1152 – Annulment of the marriage of King Louis VII of France and Queen Eleanor of Aquitaine. 1180 – Emperor Antoku accedes to the throne of Japan.