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.
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.
December 4771 – Austrasian king Carloman I dies, leaving his brother Charlemagne as sole king of the Frankish Kingdom. 963 – The lay papal protonotary is elected pope and takes the name Leo VIII, being consecrated on 6 December after ordination. 1110 – An army led by Baldwin I of Jerusalem and Sigurd the Crusader of Norway captures Sidon at the end of the First Crusade. 1259 – Kings Louis IX of France and Henry III of England agree to the Treaty of Paris, in which Henry renounces his claims to French-controlled territory on continental Europe (including Normandy) in exchange for Louis withdrawing his support for English rebels.
July 271054 – Siward, Earl of Northumbria, invades Scotland and defeats Macbeth, King of Scotland, somewhere north of the Firth of Forth. 1189 – Friedrich Barbarossa arrives at Niš, the capital of Serbian King Stefan Nemanja, during the Third Crusade. 1202 – Georgian–Seljuk wars: At the Battle of Basian the Kingdom of Georgia defeats the Sultanate of Rum. 1214 – Battle of Bouvines: Philip II of France decisively defeats Imperial, English and Flemish armies, effectively ending John of England's Angevin Empire.
October 25285 or 286 – Execution of Saints Crispin and Crispinian during the reign of Diocletian, now the patron saints of leather workers, curriers, and shoemakers. 473 – Emperor Leo I acclaims his grandson Leo II as Caesar of the East Roman Empire. 1147 – Seljuk Turks defeat German crusaders under Conrad III at the Battle of Dorylaeum. 1147 – Reconquista: After a siege of four months, crusader knights reconquer Lisbon. 1415 – Hundred Years' War: Henry V of England, with his lightly armoured infantry and archers, defeats the heavily armoured French cavalry in the Battle of Agincourt.
August 18684 – Battle of Marj Rahit: Umayyad partisans defeat the supporters of Ibn al-Zubayr and cement Umayyad control of Syria. 707 – Princess Abe accedes to the imperial Japanese throne as Empress Genmei. 1304 – The Battle of Mons-en-Pévèle is fought to a draw between the French army and the Flemish militias. 1487 – The Siege of Málaga ends with the taking of the city by Castilian and Aragonese forces. 1492 – The first grammar of the Spanish language (Gramática de la lengua castellana) is presented to Queen Isabella I.
November 18326 – The old St. Peter's Basilica is consecrated by Pope Sylvester I. 401 – The Visigoths, led by king Alaric I, cross the Alps and invade northern Italy. 1095 – The Council of Clermont begins: called by Pope Urban II, it led to the First Crusade to the Holy Land. 1105 – Maginulfo is elected Antipope Sylvester IV in opposition to Pope Paschal II. 1210 – Pope Innocent III excommunicates Holy Roman Emperor Otto IV for invading the Kingdom of Sicily after promising to recognize papal control over it.
July 26657 – First Fitna: In the Battle of Siffin, troops led by Ali ibn Abu Talib clash with those led by Muawiyah I. 811 – Battle of Pliska: Byzantine Emperor Nikephoros I is killed and his heir Staurakios is seriously wounded. 920 – Rout of an alliance of Christian troops from Navarre and Léon against the Muslims at the Battle of Valdejunquera. 1309 – The Holy Roman Emperor Henry VII is recognized King of the Romans by Pope Clement V. 1509 – The Emperor Krishnadevaraya ascends to the throne, marking the beginning of the regeneration of the Vijayanagara Empire.
March 1837 – Roman Senate annuls Tiberius' will and proclaims Gaius Julius Caesar Augustus Germanicus (aka Caligula = Little Boots) emperor. 1068 – An earthquake in the Levant and the Arabian Peninsula leaves up to 20,000 dead. 1229 – Frederick II, Holy Roman Emperor, declares himself King of Jerusalem in the Sixth Crusade. 1241 – First Mongol invasion of Poland: Mongols overwhelm Polish armies in Kraków in the Battle of Chmielnik and plunder the city. 1314 – Jacques de Molay, the 23rd and final Grand Master of the Knights Templar, is burned at the stake.
October 201568 – The Spanish Duke of Alba defeats a Dutch rebel force under William the Silent. 1572 – Eighty Years' War: Three thousand Spanish soldiers wade through fifteen miles of water in one night to effect the relief of Goes. 1740 – France, Prussia, Bavaria and Saxony refuse to honour the Pragmatic Sanction, and the War of the Austrian Succession begins. 1774 – American Revolution: The Continental Association, a nonconsumption and nonimportation agreement against the British Isles and the British West Indies, is adopted by the First Continental Congress.
