393 – Roman emperor Theodosius I proclaims his eight-year-old son Honorius co-emperor.
971 – Using crossbows, Song dynasty troops soundly defeat a war elephant corps of the Southern Han at Shao.
1264 – In the conflict between King Henry III of England and his rebellious barons led by Simon de Montfort, King Louis IX of France issues the Mise of Amiens, a one-sided decision in favour of Henry that later leads to the Second Barons' War.
1368 – In a coronation ceremony, Zhu Yuanzhang ascends the throne of China as the Hongwu Emperor, initiating Ming dynasty rule over China that would last for three centuries.
1546 – Having published nothing for eleven years, François Rabelais publishes the Tiers Livre, his sequel to Gargantua and Pantagruel.
1556 – The deadliest earthquake in history, the Shaanxi earthquake, hits Shaanxi province, China. The death toll may have been as high as 830,000.
1570 – James Stewart, 1st Earl of Moray, regent for the infant King James VI of Scotland, is assassinated by firearm, the first recorded instance of such.
1571 – The Royal Exchange opens in London.
1579 – The Union of Utrecht forms a Protestant republic in the Netherlands.
1656 – Blaise Pascal publishes the first of his Lettres provinciales.
1719 – The Principality of Liechtenstein is created within the Holy Roman Empire.
1789 – Georgetown College, the first Catholic university in the United States, is founded in Georgetown, Maryland (now a part of Washington, D.C.) when Bishop John Carroll, Rev. Robert Molyneux, and Rev. John Ashton purchase land for the proposed academy for the education of youth.
1793 – Second Partition of Poland.
1795 – After an extraordinary charge across the frozen Zuiderzee, the French cavalry captured 14 Dutch ships and 850 guns, in a rare occurrence of a battle between ships and cavalry.
1846 – Slavery in Tunisia is abolished.
1849 – Elizabeth Blackwell is awarded her M.D. by the Geneva Medical College of Geneva, New York, becoming the United States' first female doctor.
1870 – In Montana, U.S.