May 141027 – Robert II of France names his son Henry I as junior King of the Franks. 1097 – The Siege of Nicaea begins during the First Crusade. 1264 – Battle of Lewes: Henry III of England is captured and forced to sign the Mise of Lewes, making Simon de Montfort the effective ruler of England. 1509 – Battle of Agnadello: In northern Italy, French forces defeat the Republic of Venice. 1607 – English colonists establish "James Fort," which would become Jamestown, Virginia, the earliest permanent English settlement in the Americas.
April 241479 BC – Thutmose III ascends to the throne of Egypt, although power effectively shifts to Hatshepsut (according to the Low Chronology of the 18th dynasty). 1183 BC – Traditional reckoning of the Fall of Troy marking the end of the legendary Trojan War, given by chief librarian of the Library of Alexandria Eratosthenes, among others. 1547 – Battle of Mühlberg. Duke of Alba, commanding Spanish-Imperial forces of Charles I of Spain, defeats the troops of Schmalkaldic League.
June 51257 – Kraków, in Poland, receives city rights. 1284 – Battle of the Gulf of Naples: Roger of Lauria, admiral to King Peter III of Aragon, destroys the Neapolitan fleet and captures Charles of Salerno. 1288 – The Battle of Worringen ends the War of the Limburg Succession, with John I, Duke of Brabant, being one of the more important victors. 1610 – The masque Tethys' Festival is performed at Whitehall Palace to celebrate the investiture of Henry Frederick, Prince of Wales.
July 169 – Tiberius Julius Alexander orders his Roman legions in Alexandria to swear allegiance to Vespasian as Emperor. 552 – Battle of Taginae: Byzantine forces under Narses defeat the Ostrogoths in Italy, and the Ostrogoth king, Totila, is mortally wounded. 1097 – Battle of Dorylaeum: Crusaders led by prince Bohemond of Taranto defeat a Seljuk army led by sultan Kilij Arslan I. 1431 – The Battle of La Higueruela takes place in Granada, leading to a modest advance of the Kingdom of Castile during the Reconquista.
August 2330 BC – After the successful invasion of Egypt, Octavian executes Marcus Antonius Antyllus, the eldest son of Mark Antony, and Caesarion, the last king of the Ptolemaic dynasty of Egypt and only child of Julius Caesar and Cleopatra. 20 BC – Ludi Volcanalici are held within the temple precinct of Vulcan, and used by Augustus to mark the treaty with Parthia and the return of the legionary standards that had been lost at the Battle of Carrhae in 53 BC. 79 – Mount Vesuvius begins stirring, on the feast day of Vulcan, the Roman god of fire.
June 12910 – Battle of Augsburg: The Hungarians defeat the East Frankish army under King Louis the Child, using the famous feigned retreat tactic of the nomadic warriors. 1240 – At the instigation of Louis IX of France, an inter-faith debate, known as the Disputation of Paris, starts between a Christian monk and four rabbis. 1381 – Peasants' Revolt: In England, rebels assemble at Blackheath, just outside London. 1418 – Armagnac–Burgundian Civil War: Parisians slaughter sympathizers of Bernard VII, Count of Armagnac, along with all prisoners, foreign bankers, and students and faculty of the College of Navarre.
December 11220 – Emperor Xian of Han is forced to abdicate the throne by Cao Cao's son Cao Pi, ending the Han dynasty. 361 – Julian enters Constantinople as sole Roman Emperor. 861 – Assassination of the Abbasid caliph al-Mutawakkil by the Turkish guard, who raise al-Muntasir to the throne, start of the "Anarchy at Samarra". 969 – Byzantine Emperor Nikephoros II Phokas is assassinated by his wife Theophano and her lover, the later Emperor John I Tzimiskes. 1041 – Michael V, adoptive son of Empress Zoë of Byzantium, is proclaimed emperor of the Eastern Roman Empire.
October 261185 – The Uprising of Asen and Peter begins on the feast day of St. Demetrius of Thessaloniki and ends with the creation of the Second Bulgarian Empire. 1341 – The Byzantine civil war of 1341–1347 formally begins with the proclamation of John VI Kantakouzenos as Byzantine Emperor. 1377 – Tvrtko I is crowned the first king of Bosnia. 1520 – Charles V is crowned as Holy Roman Emperor. 1597 – Imjin War: Korean Admiral Yi Sun-sin routs the Japanese Navy of 300 ships with only 13 ships at the Battle of Myeongnyang.
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.
July 22838 – Battle of Anzen: The Byzantine emperor Theophilos suffers a heavy defeat by the Abbasids. 1099 – First Crusade: Godfrey of Bouillon is elected the first Defender of the Holy Sepulchre of The Kingdom of Jerusalem. 1209 – Massacre at Béziers: The first major military action of the Albigensian Crusade. 1298 – Wars of Scottish Independence: Battle of Falkirk: King Edward I of England and his longbowmen defeat William Wallace and his Scottish schiltrons outside the town of Falkirk. 1342 – St.
