February 7457 – Leo I becomes the Eastern Roman emperor. 987 – Bardas Phokas the Younger and Bardas Skleros, Byzantine generals of the military elite, begin a wide-scale rebellion against Emperor Basil II. 1301 – Edward of Caernarvon (later king Edward II of England) becomes the first English Prince of Wales. 1313 – King Thihathu founds the Pinya Kingdom as the de jure successor state of the Pagan Kingdom. 1365 – Albert III of Mecklenburg (King Albert of Sweden) grants city rights to Ulvila (Ulvsby).
July 30762 – Baghdad is founded. 1419 – First Defenestration of Prague: A crowd of radical Hussites kill seven members of the Prague city council. 1502 – Christopher Columbus lands at Guanaja in the Bay Islands off the coast of Honduras during his fourth voyage. 1609 – Beaver Wars: At Ticonderoga (now Crown Point, New York), Samuel de Champlain shoots and kills two Iroquois chiefs on behalf of his native allies. 1619 – In Jamestown, Virginia, the first Colonial European representative assembly in the Americas, the Virginia General Assembly, convenes for the first time.
April 221500 – Portuguese navigator Pedro Álvares Cabral lands in Brazil. 1519 – Spanish conquistador Hernán Cortés establishes a settlement at Veracruz, Mexico. 1529 – Treaty of Zaragoza divides the eastern hemisphere between Spain and Portugal along a line 297.5 leagues () east of the Moluccas. 1809 – The second day of the Battle of Eckmühl: The Austrian army is defeated by the First French Empire army led by Napoleon and driven over the Danube in Regensburg.
December 28418 – A papal election begins, resulting in the election of Pope Boniface I. 457 – Majorian is acclaimed as Western Roman emperor. 484 – Alaric II succeeds his father Euric and becomes king of the Visigoths. He establishes his capital at Aire-sur-l'Adour (Southern Gaul). 893 – An earthquake destroys the city of Dvin, Armenia. 1065 – Edward the Confessor's Romanesque monastic church at Westminster Abbey is consecrated. 1308 – The reign of Emperor Hanazono of Japan begins.
July 14982 – King Otto II and his Frankish army are defeated by the Muslim army of al-Qasim at Cape Colonna, Southern Italy. 1223 – Louis VIII becomes King of France upon the death of his father, Philip II. 1420 – Battle of Vítkov Hill, decisive victory of Czech Hussite forces commanded by Jan Žižka against Crusade army led by Sigismund, Holy Roman Emperor. 1430 – Joan of Arc, taken by the Burgundians in May, is handed over to Pierre Cauchon, the bishop of Beauvais.
July 4362 BC – Battle of Mantinea: The Thebans, led by Epaminondas, defeated the Spartans. 414 – Emperor Theodosius II, age 13, yields power to his older sister Aelia Pulcheria, who reigned as regent and proclaimed herself empress (Augusta) of the Eastern Roman Empire. 836 – Pactum Sicardi, a peace treaty between the Principality of Benevento and the Duchy of Naples, is signed. 993 – Ulrich of Augsburg is canonized as a saint. 1054 – A supernova, called SN 1054, is seen by Chinese Song dynasty, Arab, and possibly Amerindian observers near the star Zeta Tauri.
June 15763 BC – Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history. 844 – Louis II is crowned as king of Italy at Rome by pope Sergius II. 923 – Battle of Soissons: King Robert I of France is killed and King Charles the Simple is arrested by the supporters of Duke Rudolph of Burgundy. 1184 – The naval Battle of Fimreite is won by the Birkebeiner pretender Sverre Sigurdsson. Sigurdsson takes the Norwegian throne and King Magnus V of Norway is killed.
1930January 1930 January 15 – The Moon moves into its nearest point to Earth, called perigee, at the same time as its fullest phase of the Lunar Cycle. This is the closest moon distance at in recent history, and the next one will be on January 1, 2257, at . January 26 – The Indian National Congress declares this date as Independence Day, or as the day for Poorna Swaraj (Complete Independence). January 28 – The first patent for a field-effect transistor is granted in the United States, to Julius Edgar Lilienfeld.
May 2617 – Germanicus celebrates a triumph in Rome for his victories over the Cherusci, Chatti, and other German tribes west of the Elbe. 451 – Battle of Avarayr between Armenian rebels and the Sasanian Empire takes place. The Sasanids defeat the Armenians militarily but guarantee them freedom to openly practice Christianity. 946 – King Edmund I of England is murdered by a thief whom he personally attacks while celebrating St Augustine's Mass Day. 961 – King Otto I elects his six-year-old son Otto II as heir apparent and co-ruler of the East Frankish Kingdom.
September 6394 – Battle of the Frigidus: Roman emperor Theodosius I defeats and kills Eugenius the usurper. His Frankish magister militum Arbogast escapes but commits suicide two days later. 1492 – Christopher Columbus sails from La Gomera in the Canary Islands, his final port of call before crossing the Atlantic Ocean for the first time. 1522 – The Victoria returns to Sanlúcar de Barrameda in Spain, the only surviving ship of Ferdinand Magellan's expedition and the first known ship to circumnavigate the world.