April 3686 – Maya king Yuknoom Yich'aak K'ahk' assumes the crown of Calakmul. 1043 – Edward the Confessor is crowned King of England. 1077 – The Patriarchate of Friûl, the first Friulian state, is created. 1559 – The second of two treaties making up the Peace of Cateau-Cambrésis is signed, ending the Italian Wars. 1721 – Robert Walpole becomes, in effect, the first Prime Minister of Great Britain, though he himself denied that title. 1851 – Rama IV is crowned King of Thailand after the death of his half-brother, Rama III.
December 27537 – The second Hagia Sophia in Constantinople is consecrated. 1512 – The Spanish Crown issues the Laws of Burgos, governing the conduct of settlers with regard to native Indians in the New World. 1521 – The Zwickau prophets arrive in Wittenberg, disturbing the peace and preaching the Apocalypse. 1655 – Second Northern War/the Deluge: Monks at the Jasna Góra Monastery in Częstochowa are successful in fending off a month-long siege. 1657 – The Flushing Remonstrance articulates for the first time in North American history that freedom of religion is a fundamental right.
May 11330 – Constantine the Great dedicates the much-expanded and rebuilt city of Byzantium, changing its name to New Rome and declaring it the new capital of the Eastern Roman Empire. 868 – A copy of the Diamond Sūtra is published, making it the earliest dated and printed book known. 973 – In the first coronation ceremony ever held for an English monarch, Edgar the Peaceful is crowned King of England, having ruled since 959 AD. His wife, Ælfthryth, is crowned queen, the first recorded coronation for a Queen of England.
March 2537 – Siege of Rome: The Ostrogoth army under king Vitiges begins the siege of the capital. Belisarius conducts a delaying action outside the Flaminian Gate; he and a detachment of his bucellarii are almost cut off. 986 – Louis V becomes the last Carolingian king of West Francia after the death of his father, Lothaire. 1331 – Fall of Nicaea to the Ottoman Turks after a siege. 1444 – Skanderbeg organizes a group of Albanian nobles to form the League of Lezhë. 1458 – George of Poděbrady is chosen as the king of Bohemia.
June 30296 – Pope Marcellinus begins his papacy. 763 – The Byzantine army of emperor Constantine V defeats the Bulgarian forces in the Battle of Anchialus. 1422 – Battle of Arbedo between the duke of Milan and the Swiss cantons. 1521 – Spanish forces defeat a combined French and Navarrese army at the Battle of Noáin during the Spanish conquest of Iberian Navarre. 1559 – King Henry II of France is mortally wounded in a jousting match against Gabriel, comte de Montgomery.
February 4211 – Following the death of the Roman Emperor Septimius Severus at Eboracum (modern York, England) while preparing to lead a campaign against the Caledonians, the empire is left in the control of his two quarrelling sons, Caracalla and Geta, whom he had instructed to make peace. 960 – The coronation of Zhao Kuangyin as Emperor Taizu of Song, initiating the Song dynasty period of China that would last more than three centuries. 1169 – A strong earthquake strikes the Ionian coast of Sicily, causing tens of thousands of injuries and deaths, especially in Catania.
January 1569 – Otho seizes power in Rome, proclaiming himself Emperor of Rome, beginning a reign of only three months. 1541 – King Francis I of France gives Jean-François Roberval a commission to settle the province of New France (Canada) and provide for the spread of the "Holy Catholic faith". 1559 – Elizabeth I is crowned Queen of England and Ireland in Westminster Abbey, London. 1582 – Truce of Yam-Zapolsky: Russia cedes Livonia to the Polish–Lithuanian Commonwealth. 1759 – The British Museum opens to the public.
July 2437 – Emperor Valentinian III begins his reign over the Western Roman Empire. His mother Galla Placidia ends her regency, but continues to exercise political influence at the court in Rome. 626 – Li Shimin, the future Emperor Taizong of Tang, ambushes and kills his rival brothers Li Yuanji and Li Jiancheng in the Xuanwu Gate Incident. 706 – In China, Emperor Zhongzong of Tang inters the bodies of relatives in the Qianling Mausoleum, located on Mount Liang outside Chang'an.
September 16681 – Pope Honorius I is posthumously excommunicated by the Sixth Ecumenical Council. 1400 – Owain Glyndŵr is declared Prince of Wales by his followers. 1620 – A determined band of 35 religious dissenters – Pilgrims set sail for Virginia from Plymouth, England in the Mayflower, jubilant at the prospect of practicing their unorthodox brand of worship in the New World. 1701 – James Francis Edward Stuart, sometimes called the "Old Pretender", becomes the Jacobite claimant to the thrones of England and Scotland.
November 51138 – Lý Anh Tông is enthroned as emperor of Vietnam at the age of two, beginning a 37-year reign. 1499 – The Catholicon, written in 1464 by Jehan Lagadeuc in Tréguier, is published; this is the first Breton dictionary as well as the first French dictionary. 1556 – Second Battle of Panipat: Fighting begins between the forces of Hem Chandra Vikramaditya, the Hindu king at Delhi and the forces of the Muslim emperor Akbar.
