September 13585 BC – Lucius Tarquinius Priscus, king of Rome, celebrates a triumph for his victories over the Sabines, and the surrender of Collatia. 509 BC – The Temple of Jupiter Optimus Maximus on Rome's Capitoline Hill is dedicated on the ides of September. 379 – Yax Nuun Ahiin I is crowned as 15th Ajaw of Tikal 533 – Belisarius of the Byzantine Empire defeats Gelimer and the Vandals at the Battle of Ad Decimum, near Carthage, North Africa. 1229 – Ögedei Khan is proclaimed Khagan of the Mongol Empire in Kodoe Aral, Khentii: Mongolia.
April 12240 – Shapur I becomes co-emperor of the Sasanian Empire with his father Ardashir I. 467 – Anthemius is elevated to Emperor of the Western Roman Empire. 627 – King Edwin of Northumbria is converted to Christianity by Paulinus, bishop of York. 1012 – Duke Oldřich of Bohemia deposes and blinds his brother Jaromír, who flees to Poland. 1204 – The Crusaders of the Fourth Crusade breach the walls of Constantinople and enter the city, which they completely occupy the following day.
July 19AD 64 – The Great Fire of Rome causes widespread devastation and rages on for six days, destroying half of the city. 484 – Leontius, Roman usurper, is crowned Eastern emperor at Tarsus (modern Turkey). He is recognized in Antioch and makes it his capital. 711 – Umayyad conquest of Hispania: Battle of Guadalete: Umayyad forces under Tariq ibn Ziyad defeat the Visigoths led by King Roderic. 939 – Battle of Simancas: King Ramiro II of León defeats the Moorish army under Caliph Abd-al-Rahman III near the city of Simancas.
August 24367 – Gratian, son of Roman Emperor Valentinian I, is named co-Augustus at the age of eight by his father. 394 – The Graffito of Esmet-Akhom, the latest known inscription in Egyptian hieroglyphs, is written. 410 – The Visigoths under king Alaric I begin to pillage Rome. 1185 – Sack of Thessalonica by the Normans. 1200 – King John of England, signer of the first Magna Carta, marries Isabella of Angoulême in Angoulême Cathedral. 1215 – Pope Innocent III issues a bull declaring Magna Carta invalid.
May 3752 – Mayan king Bird Jaguar IV of Yaxchilan in modern-day Chiapas, Mexico, assumes the throne. 1481 – The largest of three earthquakes strikes the island of Rhodes and causes an estimated 30,000 casualties. 1491 – Kongo monarch Nkuwu Nzinga is baptised by Portuguese missionaries, adopting the baptismal name of João I. 1568 – Angered by the brutal onslaught of Spanish troops at Fort Caroline, a French force burns the San Mateo fort and massacres hundreds of Spaniards. 1616 – Treaty of Loudun ends a French civil war.
October 9768 – Carloman I and Charlemagne are crowned kings of the Franks. 1238 – James I of Aragon founds the Kingdom of Valencia. 1410 – The first known mention of the Prague astronomical clock. 1446 – The Hangul alphabet is published in Korea. 1594 – Troops of the Portuguese Empire are defeated on Sri Lanka, bringing an end to the Campaign of Danture. 1604 – Kepler's Supernova is the most recent supernova to be observed within the Milky Way. 1635 – Roger Williams is banished from the Massachusetts Bay Colony after religious and policy disagreements.
October 19202 BC – Second Punic War: At the Battle of Zama, Roman legions under Scipio Africanus defeat Hannibal Barca, leader of the army defending Carthage. 439 – The Vandals, led by King Gaiseric, take Carthage in North Africa. 1216 – King John of England dies at Newark-on-Trent and is succeeded by his nine-year-old son Henry. 1386 – The Universität Heidelberg holds its first lecture, making it the oldest German university. 1453 – Hundred Years' War: Three months after the Battle of Castillon, England loses its last possessions in southern France.
August 38 – Roman Empire general Tiberius defeats the Dalmatae on the river Bosna. 435 – Deposed Ecumenical Patriarch of Constantinople Nestorius, considered the originator of Nestorianism, is exiled by Roman Emperor Theodosius II to a monastery in Egypt. 881 – Battle of Saucourt-en-Vimeu: Louis III of France defeats the Vikings, an event celebrated in the poem Ludwigslied. 908 – Battle of Eisenach: An invading Hungarian force defeats an East Frankish army under Duke Burchard of Thuringia.
January 369 – The Roman legions on the Rhine refuse to declare their allegiance to Galba, instead proclaiming their legate, Aulus Vitellius, as emperor. 250 – Emperor Decius orders everyone in the Roman Empire (except Jews) to make sacrifices to the Roman gods. 1521 – Pope Leo X excommunicates Martin Luther in the papal bull Decet Romanum Pontificem. 1653 – By the Coonan Cross Oath, the Eastern Church in India cuts itself off from colonial Portuguese tutelage. 1749 – Benning Wentworth issues the first of the New Hampshire Grants, leading to the establishment of Vermont.
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.
