March 9141 BC – Liu Che, posthumously known as Emperor Wu of Han, assumes the throne over the Han dynasty of China. 1009 – First known mention of Lithuania, in the annals of the monastery of Quedlinburg. 1226 – Khwarazmian sultan Jalal ad-Din conquers the Georgian capital of Tbilisi. 1230 – Bulgarian Tsar Ivan Asen II defeats Theodore of Epirus in the Battle of Klokotnitsa. 1500 – The fleet of Pedro Álvares Cabral leaves Lisbon for the Indies. The fleet will discover Brazil which lies within boundaries granted to Portugal in the Treaty of Tordesillas in 1494.
January 301018 – Poland and the Holy Roman Empire conclude the Peace of Bautzen. 1287 – King Wareru founds the Hanthawaddy Kingdom, and proclaims independence from the Pagan Kingdom. 1607 – An estimated 200 square miles (51,800 ha) along the coasts of the Bristol Channel and Severn Estuary in England are destroyed by massive flooding, resulting in an estimated 2,000 deaths. 1648 – Eighty Years' War: The Treaty of Münster and Osnabrück is signed, ending the conflict between the Netherlands and Spain.
February 25138 – Roman emperor Hadrian adopts Antoninus Pius as his son, effectively making him his successor. 628 – Khosrow II, the last great Shah of the Sasanian Empire (Iran), is overthrown by his son Kavadh II. 1336 – Four thousand defenders of Pilenai commit mass suicide rather than be taken captive by the Teutonic Knights. 1705 – George Frideric Handel's opera Nero premiered in Hamburg. 1836 – Samuel Colt is granted a United States patent for his revolver firearm.
May 41256 – The Augustinian monastic order is constituted at the Lecceto Monastery when Pope Alexander IV issues a papal bull Licet ecclesiae catholicae. 1415 – Religious reformers John Wycliffe and Jan Hus are condemned as heretics at the Council of Constance. 1436 – Assassination of the Swedish rebel (later national hero) Engelbrekt Engelbrektsson 1471 – Wars of the Roses: The Battle of Tewkesbury: Edward IV defeats a Lancastrian Army and kills Edward of Westminster, Prince of Wales.
June 17653 – Pope Martin I is arrested and taken to Constantinople, due to his opposition to monothelitism. 1242 – Following the Disputation of Paris, twenty-four carriage loads of Jewish religious manuscripts were burnt in Paris. 1397 – The Kalmar Union is formed under the rule of Margaret I of Denmark. 1462 – Vlad III the Impaler attempts to assassinate Mehmed II (The Night Attack at Târgovişte), forcing him to retreat from Wallachia. 1497 – Battle of Deptford Bridge: Forces under King Henry VII defeat troops led by Michael An Gof.
April 27247 – Philip the Arab marks the millennium of Rome with a celebration of the ludi saeculares. 395 – Emperor Arcadius marries Aelia Eudoxia, daughter of the Frankish general Flavius Bauto. She becomes one of the more powerful Roman empresses of Late Antiquity. 711 – Islamic conquest of Hispania: Moorish troops led by Tariq ibn Ziyad land at Gibraltar to begin their invasion of the Iberian Peninsula (Al-Andalus). 1296 – First War of Scottish Independence: John Balliol's Scottish army is defeated by an English army commanded by John de Warenne, 6th Earl of Surrey at the Battle of Dunbar.
July 281364 – Troops of the Republic of Pisa and the Republic of Florence clash in the Battle of Cascina. 1540 – Henry VIII of England marries his fifth wife, Catherine Howard. 1571 – La Laguna encomienda, known today as the Laguna province in the Philippines, is founded by the Spaniards as one of the oldest encomiendas (provinces) in the country. 1635 – In the Eighty Years' War, the Spanish capture the strategic Dutch fortress of Schenkenschans. 1656 – Second Northern War: Battle of Warsaw begins.
August 113114 BC – The Mesoamerican Long Count calendar, used by several pre-Columbian Mesoamerican civilizations, notably the Maya, begins. 2492 BC – Traditional date of the defeat of Bel by Hayk, progenitor and founder of the Armenian nation. 106 – The south-western part of Dacia (modern Romania) becomes a Roman province: Roman Dacia. 355 – Claudius Silvanus, accused of treason, proclaims himself Roman Emperor against Constantius II. 490 – Battle of Adda: The Goths under Theodoric the Great and his ally Alaric II defeat the forces of Odoacer on the Adda River, near Milan.
October 5610 – Heraclius arrives at Constantinople, kills Byzantine Emperor Phocas, and becomes emperor. 816 – King Louis the Pious is crowned emperor of the Holy Roman Empire by the Pope. 869 – The Fourth Council of Constantinople is convened to depose patriarch Photios I. 1143 – With the signing of the Treaty of Zamora, King Alfonso VII of León and Castile recognises Portugal as a Kingdom. 1450 – Louis IX, Duke of Bavaria expels Jews from his jurisdiction. 1607 – Assassins attempt to kill Venetian statesman and scientist Paolo Sarpi.
February 23303 – Roman emperor Diocletian orders the destruction of the Christian church in Nicomedia, beginning eight years of Diocletianic Persecution. 532 – Byzantine emperor Justinian I lays the foundation stone of a new Orthodox Christian basilica in Constantinople – the Hagia Sophia. 628 – Khosrow II, last Sasanian shah of Iran, is overthrown. 705 – Empress Wu Zetian abdicates the throne, restoring the Tang dynasty. 1455 – Traditionally the date of publication of the Gutenberg Bible, the first Western book printed with movable type.