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.
May 171395 – Battle of Rovine: The Wallachians defeat an invading Ottoman army. 1521 – Edward Stafford, 3rd Duke of Buckingham, is executed for treason. 1527 – Pánfilo de Narváez departs Spain to explore Florida with 600 men – by 1536 only four survive. 1536 – George Boleyn, 2nd Viscount Rochford and four other men are executed for treason. 1536 – Henry VIII and Anne Boleyn's marriage is annulled. 1590 – Anne of Denmark is crowned Queen of Scotland. 1642 – Paul de Chomedey, Sieur de Maisonneuve founds the Ville Marie de Montréal.
July 241132 – Battle of Nocera between Ranulf II of Alife and Roger II of Sicily. 1148 – Louis VII of France lays siege to Damascus during the Second Crusade. 1304 – Wars of Scottish Independence: Fall of Stirling Castle: King Edward I of England takes the stronghold using the War Wolf. 1411 – Battle of Harlaw, one of the bloodiest battles in Scotland, takes place. 1412 – Behnam Hadloyo becomes Syriac Orthodox Patriarch of Mardin. 1487 – Citizens of Leeuwarden, Netherlands, strike against a ban on foreign beer.
November 19461 – Libius Severus is declared emperor of the Western Roman Empire. The real power is in the hands of the magister militum Ricimer. 636 – The Rashidun Caliphate defeats the Sasanian Empire at the Battle of al-Qādisiyyah in Iraq. 1493 – Christopher Columbus goes ashore on an island called Borinquen he first saw the day before. He names it San Juan Bautista (later renamed again Puerto Rico). 1794 – The United States and the Kingdom of Great Britain sign Jay's Treaty, which attempts to resolve some of the lingering problems left over from the American Revolutionary War.
March 31307 – After divorcing his wife Minervina, Constantine marries Fausta, daughter of the retired Roman emperor Maximian. 1146 – Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade. Louis VII is present, and joins the Crusade. 1492 – Queen Isabella of Castile issues the Alhambra Decree, ordering her 150,000 Jewish and Muslim subjects to convert to Christianity or face expulsion. 1521 – Ferdinand Magellan and fifty of his men came ashore to present-day Limasawa to participate in the first Catholic mass in the Philippines.
October 111138 – A massive earthquake strikes Aleppo; it is one of the most destructive earthquakes ever. 1142 – A peace treaty ends the Jin–Song wars. 1311 – The peerage and clergy restrict the authority of English kings with the Ordinances of 1311. 1614 – The New Netherland Company applies to the States General of the Netherlands for exclusive trading rights in what is now the northeastern United States. 1634 – The Burchardi flood kills around 15,000 in North Friesland, Denmark and Germany.
September 14AD 81 – Domitian becomes Emperor of the Roman Empire upon the death of his brother Titus. 629 – Emperor Heraclius enters Constantinople in triumph after his victory over the Persian Empire. 786 – "Night of the three Caliphs": Harun al-Rashid becomes the Abbasid caliph upon the death of his brother al-Hadi. Birth of Harun's son al-Ma'mun. 919 – Battle of Islandbridge: High King Niall Glúndub is killed while leading an Irish coalition against the Vikings of Uí Ímair, led by King Sitric Cáech.
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.
July 131174 – William I of Scotland, a key rebel in the Revolt of 1173–74, is captured at Alnwick by forces loyal to Henry II of England. 1249 – Coronation of Alexander III as King of Scots. 1260 – The Livonian Order suffers its greatest defeat in the 13th century in the Battle of Durbe against the Grand Duchy of Lithuania 1558 – Battle of Gravelines: In France, Spanish forces led by Count Lamoral of Egmont defeat the French forces of Marshal Paul de Thermes at Gravelines. 1573 – Eighty Years' War: The Siege of Haarlem ends after seven months.
December 26887 – Berengar I is elected as king of Italy by the lords of Lombardy. He is crowned with the Iron Crown of Lombardy at Pavia. 1481 – Battle of Westbroek: An army of 4,000 to 5,000 soldiers raised by David of Burgundy, Bishop of Utrecht, attacks an armed mob of people from nearby Utrecht who were trying to avenge the massacre of the inhabitants of Westbroek. 1704 – Second Battle of Anandpur: In the Second Battle of Anandpur, Aurangzeb's two generals, Wazir Khan and Zaberdast Khan executed two children of Guru Gobind Singh, Zorawar Singh aged eight and Fateh Singh aged five, by burying them alive into a wall.
