August 948 BC – Caesar's Civil War: Battle of Pharsalus: Julius Caesar decisively defeats Pompey at Pharsalus and Pompey flees to Egypt. 378 – Gothic War: Battle of Adrianople: A large Roman army led by Emperor Valens is defeated by the Visigoths. Valens is killed along with over half of his army. 1173 – Construction of the campanile of the Cathedral of Pisa (now known as the Leaning Tower of Pisa) begins; it will take two centuries to complete. 1329 – Quilon, the first Indian Christian Diocese, is erected by Pope John XXII; the French-born Jordanus is appointed the first Bishop.
April 1527 – Byzantine Emperor Justin I names his nephew Justinian I as co-ruler and successor to the throne. 1081 – Alexios I Komnenos overthrows the Byzantine emperor Nikephoros III Botaneiates, and, after his troops spend three days extensively looting Constantinople, is formally crowned on April 4. 1572 – In the Eighty Years' War, the Watergeuzen capture Brielle from the Seventeen Provinces, gaining the first foothold on land for what would become the Dutch Republic.
August 1474 BC – A group of officials, led by the Western Han minister Huo Guang, present articles of impeachment against the new emperor, Liu He, to the imperial regent, Empress Dowager Shangguan. 29 BC – Octavian holds the second of three consecutive triumphs in Rome to celebrate the victory over the Dalmatian tribes. 1040 – King Duncan I is killed in battle against his first cousin and rival Macbeth. The latter succeeds him as King of Scotland.
August 15636 – Arab–Byzantine wars: The Battle of Yarmouk between the Byzantine Empire and the Rashidun Caliphate begins. 717 – Arab–Byzantine wars: Maslama ibn Abd al-Malik begins the Second Arab Siege of Constantinople, which will last for nearly a year. 718 – Arab–Byzantine wars: Raising of the Second Arab Siege of Constantinople. 747 – Carloman, mayor of the palace of Austrasia, renounces his position as majordomo and retires to a monastery near Rome. His brother, Pepin the Short, becomes the sole ruler (de facto) of the Frankish Kingdom.
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.
August 19295 BC – The first temple to Venus, the Roman goddess of love, beauty and fertility, is dedicated by Quintus Fabius Maximus Gurges during the Third Samnite War. 43 BC – Gaius Julius Caesar Octavianus, later known as Augustus, compels the Roman Senate to elect him Consul. 947 – Abu Yazid, a Kharijite rebel leader, is defeated and killed in the Hodna Mountains in modern-day Algeria by Fatimid forces. 1153 – Baldwin III of Jerusalem takes control of the Kingdom of Jerusalem from his mother Melisende, and also captures Ascalon.
January 301018 – Poland and the Holy Roman Empire conclude the Peace of Bautzen. 1287 – King Wareru founds the Hanthawaddy Kingdom, and proclaims independence from the Pagan Kingdom. 1607 – An estimated 200 square miles (51,800 ha) along the coasts of the Bristol Channel and Severn Estuary in England are destroyed by massive flooding, resulting in an estimated 2,000 deaths. 1648 – Eighty Years' War: The Treaty of Münster and Osnabrück is signed, ending the conflict between the Netherlands and Spain.
July 3324 – Battle of Adrianople: Constantine I defeats Licinius, who flees to Byzantium. 987 – Hugh Capet is crowned King of France, the first of the Capetian dynasty that would rule France until the French Revolution in 1792. 1035 – William the Conqueror becomes the Duke of Normandy, reigning until 1087. 1608 – Québec City is founded by Samuel de Champlain. 1754 – French and Indian War: George Washington surrenders Fort Necessity to French forces. 1767 – Pitcairn Island is discovered by Midshipman Robert Pitcairn on an expeditionary voyage commanded by Philip Carteret.
June 3350 – The Roman usurper Nepotianus, of the Constantinian dynasty, proclaims himself Roman emperor, entering Rome at the head of a group of gladiators. 713 – The Byzantine emperor Philippicus is blinded, deposed and sent into exile by conspirators of the Opsikion army in Thrace. He is succeeded by Anastasios II, who begins the reorganization of the Byzantine army. 1098 – After a five-month siege during the First Crusade, the Crusaders seize Antioch (today's Turkey). 1140 – The French scholar Peter Abelard is found guilty of heresy.
June 11215 – Zhongdu (now Beijing), then under the control of the Jurchen ruler Emperor Xuanzong of Jin, is captured by the Mongols under Genghis Khan, ending the Battle of Zhongdu. 1252 – Alfonso X is proclaimed king of Castile and León. 1298 – Residents of Riga and Grand Duchy of Lithuania defeated the Livonian Order in the Battle of Turaida. 1495 – A monk, John Cor, records the first known batch of Scotch whisky. 1533 – Anne Boleyn is crowned Queen of England.
