February 11327 – The teenaged Edward III is crowned King of England, but the country is ruled by his mother Queen Isabella and her lover Roger Mortimer. 1411 – The First Peace of Thorn is signed in Thorn (Toruń), Monastic State of the Teutonic Knights (Prussia). 1662 – The Chinese general Koxinga seizes the island of Taiwan after a nine-month siege. 1713 – The Kalabalik or Skirmish at Bender results from the Ottoman sultan's order that his unwelcome guest, King Charles XII of Sweden, be seized.
February 25138 – Roman emperor Hadrian adopts Antoninus Pius as his son, effectively making him his successor. 628 – Khosrow II, the last great Shah of the Sasanian Empire (Iran), is overthrown by his son Kavadh II. 1336 – Four thousand defenders of Pilenai commit mass suicide rather than be taken captive by the Teutonic Knights. 1705 – George Frideric Handel's opera Nero premiered in Hamburg. 1836 – Samuel Colt is granted a United States patent for his revolver firearm.
February 19197 – Emperor Septimius Severus defeats usurper Clodius Albinus in the Battle of Lugdunum, the bloodiest battle between Roman armies. 356 – The anti-paganism policy of Constantius II forbids the worship of pagan idols in the Roman Empire. 1594 – Having already been elected to the throne of the Polish–Lithuanian Commonwealth in 1587, Sigismund III of the House of Vasa is crowned King of Sweden, having succeeded his father John III of Sweden in 1592.
February 21452 or 453 – Severianus, Bishop of Scythopolis, is martyred in Palestine. 1245 – Thomas, the first known Bishop of Finland, is granted resignation after confessing to torture and forgery. 1440 – The Prussian Confederation is formed. 1613 – Mikhail I is unanimously elected Tsar by a national assembly, beginning the Romanov dynasty of Imperial Russia. 1797 – A force of 1,400 French soldiers invaded Britain at Fishguard in support of the Society of United Irishmen. They were defeated by 500 British reservists.
February 26747 BC – According to Ptolemy, the epoch (origin) of the Nabonassar Era began at noon on this date. Historians use this to establish the modern BC chronology for dating historic events. 364 – Valentinian I is proclaimed Roman emperor. 1266 – Battle of Benevento: An army led by Charles, Count of Anjou, defeats a combined German and Sicilian force led by Manfred, King of Sicily. Manfred is killed in the battle and Pope Clement IV invests Charles as king of Sicily and Naples.
February 121096 – Pope Urban II confirms the foundation of the abbey of La Roë under Robert of Arbrissel as a community of canons regular. 1404 – The Italian professor Galeazzo di Santa Sophie performed the first post-mortem autopsy for the purposes of teaching and demonstration at the Heiligen–Geist Spital in Vienna. 1429 – English forces under Sir John Fastolf defend a supply convoy carrying rations to the army besieging Orléans in the Battle of the Herrings.
July 2070 – Siege of Jerusalem: Titus, son of emperor Vespasian, storms the Fortress of Antonia north of the Temple Mount. The Roman army is drawn into street fights with the Zealots. 792 – Kardam of Bulgaria defeats Byzantine Emperor Constantine VI at the Battle of Marcellae. 911 – Rollo lays siege to Chartres. 1189 – Richard I of England officially invested as Duke of Normandy. 1225 – Treaty of San Germano is signed at San Germano between Holy Roman Emperor Frederick II and Pope Gregory IX.
July 25306 – Constantine I is proclaimed Roman emperor by his troops. 315 – The Arch of Constantine is completed near the Colosseum in Rome to commemorate Constantine I's victory over Maxentius at the Milvian Bridge. 677 – Climax of the Siege of Thessalonica by the Slavs in a three-day assault on the city walls. 864 – The Edict of Pistres of Charles the Bald orders defensive measures against the Vikings. 918 – Wang Geon becomes King of Goryeo after overthrowing Gung Ye in a coup the previous day 1137 – Eleanor of Aquitaine marries Prince Louis, later King Louis VII of France, at the Cathedral of Saint-André in Bordeaux.
June 23229 – Sun Quan proclaims himself emperor of Eastern Wu. 1266 – War of Saint Sabas: In the Battle of Trapani, the Venetians defeat a larger Genoese fleet, capturing all its ships. 1280 – The Spanish Reconquista: In the Battle of Moclín the Emirate of Granada ambush a superior pursuing force, killing most of them in a military disaster for the Kingdom of Castile. 1305 – A peace treaty between the Flemish and the French is signed at Athis-sur-Orge. 1314 – First War of Scottish Independence: The Battle of Bannockburn (south of Stirling) begins.
June 8218 – Battle of Antioch: With the support of the Syrian legions, Elagabalus defeats the forces of emperor Macrinus. 452 – Attila leads a Hun army in the invasion of Italy, devastating the northern provinces as he heads for Rome. 793 – Vikings raid the abbey at Lindisfarne in Northumbria, commonly accepted as the beginning of Norse activity in the British Isles. 1042 – Edward the Confessor becomes King of England – the country's penultimate Anglo-Saxon king. 1191 – Richard I arrives in Acre, beginning the Third Crusade.
