July 9118 – Hadrian, who became emperor a year previously on Trajan's death, makes his entry into Rome. 381 – The end of the First Council of Christian bishops convened in Constantinople by the Roman Emperor Theodosius I. 491 – Odoacer makes a night assault with his Heruli guardsmen, engaging Theoderic the Great in Ad Pinetam. Both sides suffer heavy losses, but in the end Theodoric forces Odoacer back into Ravenna. 551 – A major earthquake strikes Beirut, triggering a devastating tsunami that affected the coastal towns of Byzantine Phoenicia, causing thousands of deaths.
May 18332 – Emperor Constantine the Great announces free distributions of food to the citizens in Constantinople. 872 – Louis II of Italy is crowned for the second time as Holy Roman Emperor at Rome, at the age of 47. His first coronation was 28 years earlier, in 844, during the reign of his father Lothair I. 1096 – First Crusade: Around 800 Jews are massacred in Worms, Germany. 1152 – The future Henry II of England marries Eleanor of Aquitaine. He would become king two years later, after the death of his cousin once removed King Stephen of England.
May 21293 – Roman Emperors Diocletian and Maximian appoint Galerius as Caesar to Diocletian, beginning the period of four rulers known as the Tetrarchy. 878 – Syracuse, Sicily, is captured by the Muslim Aghlabids after a nine-month siege. 879 – Pope John VIII gives blessings to Branimir of Croatia and to the Croatian people, considered to be international recognition of the Croatian state. 996 – Sixteen-year-old Otto III is crowned Holy Roman Emperor. 1349 – Dušan's Code, the constitution of the Serbian Empire, is enacted by Dušan the Mighty.
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.
February 24484 – King Huneric of the Vandals replaces Nicene bishops with Arian ones, and banishes some to Corsica. 1303 – The English are defeated at the Battle of Roslin, in the First War of Scottish Independence. 1386 – King Charles III of Naples and Hungary is assassinated at Buda. 1525 – A Spanish-Austrian army defeats a French army at the Battle of Pavia. 1527 – Coronation of Ferdinand I as the king of Bohemia in Prague. 1538 – Treaty of Nagyvárad between Holy Roman Emperor Ferdinand I and King John Zápolya of Hungary and Croatia.
June 22217 BC – Battle of Raphia: Ptolemy IV Philopator of Egypt defeats Antiochus III the Great of the Seleucid kingdom. 168 BC – Battle of Pydna: Romans under Lucius Aemilius Paullus defeat Macedonian King Perseus who surrenders after the battle, ending the Third Macedonian War. 813 – Battle of Versinikia: The Bulgars led by Krum defeat the Byzantine army near Edirne. Emperor Michael I is forced to abdicate in favor of Leo V the Armenian. 910 – The Hungarians defeat the East Frankish army near the Rednitz River, killing its leader Gebhard, Duke of Lotharingia (Lorraine).
January 12475 – Byzantine Emperor Zeno is forced to flee his capital at Constantinople, and his general, Basiliscus gains control of the empire. 1528 – Gustav I of Sweden is crowned King of Sweden, having already reigned since his election in June 1523. 1554 – Bayinnaung, who would go on to assemble the largest empire in the history of Southeast Asia, is crowned King of Burma. 1616 – The city of Belém, Brazil is founded on the Amazon River delta, by Portuguese captain Francisco Caldeira Castelo Branco.
1959January 1959 January 1 – Cuba: Fulgencio Batista flees Havana when the forces of Fidel Castro advance. January 2 – Soviet lunar probe Luna 1 is the first human-made object to attain escape velocity from Earth. It reaches the vicinity of Earth's Moon, where it was intended to crash-land, but instead becomes the first spacecraft to go into heliocentric orbit. January 3 Alaska is admitted as the 49th U.S. state. The southernmost island of the Maldives archipelago, Addu Atoll, declares its independence from the Kingdom of the Maldives, initiating the United Suvadive Republic.
August 17310 – Pope Eusebius dies, possibly from a hunger strike, shortly after being banished by the Emperor Maxentius to Sicily. 682 – Pope Leo II begins his pontificate. 986 – Byzantine–Bulgarian wars: Battle of the Gates of Trajan: The Bulgarians under the Comitopuli Samuel and Aron defeat the Byzantine forces at the Gate of Trajan, with Byzantine Emperor Basil II barely escaping. 1186 – Georgenberg Pact: Ottokar IV, Duke of Styria and Leopold V, Duke of Austria sign a heritage agreement in which Ottokar gives his duchy to Leopold and to his son Frederick under the stipulation that Austria and Styria would henceforth remain undivided.
March 141074 – Battle of Mogyoród: Dukes Géza and Ladislaus defeat their cousin Solomon, King of Hungary, forcing him to flee to Hungary's western borderland. 1590 – Battle of Ivry: Henry of Navarre and the Huguenots defeat the forces of the Catholic League under Charles, Duke of Mayenne, during the French Wars of Religion. 1647 – Thirty Years' War: Bavaria, Cologne, France and Sweden sign the Truce of Ulm. 1663 – According to his own account, Otto von Guericke completes his book Experimenta Nova (ut vocantur) Magdeburgica de Vacuo Spatio, detailing his experiments on vacuum and his discovery of electrostatic repulsion.