August events in history

August 3, 8 Roman Empire general Tiberius defeats the Dalmatae on the river Bathinus
August 20, 14 Agrippa Postumus, adopted son of the late Roman emperor Augustus, is executed by his guards while in exile under mysterious circumstances
August 5, 25 Guangwu claims the throne as emperor after a period of political turmoil, restoring the Han Dynasty after the collapse of the short-lived Xin Dynasty
August 1, 69 Batavian rebellion: The Batavians in Germania Inferior (Netherlands) revolt under the leadership of Gaius Julius Civilis
August 4, 70 The destruction of the Second Temple in Jerusalem by the Romans
August 23, 79 Mount Vesuvius begins stirring, on the feast day of Vulcan, the Roman god of fire
August 24, 79 Mount Vesuvius erupts. The cities of Pompeii, Herculaneum, and Stabiae are buried in volcanic ash (note: this traditional date has been challenged, and many scholars believe that the event occurred on October 24)
August 11, 106 The south-western part of Dacia (modern Romania) becomes a Roman province: Roman Dacia
August 11, 355 Claudius Silvanus, accused of treason, proclaims himself Roman Emperor against Constantius II
August 25, 357 Battle of Strasbourg: Julian, Caesar (deputy emperor) and supreme commander of the Roman army in Gaul, wins an important victory against the Alemanni at Strasbourg (Argentoratum)
August 4, 367 Gratian, son of Roman Emperor Valentinian I, is named co-Augustus by his father and associated to the throne aged eight
August 9, 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
August 22, 392 Arbogast has Eugenius elected Western Roman Emperor
August 23, 406 Gothic king Radagaisus is executed after he is defeated by Roman general Stilicho and 12,000 "barbarians" are incorporated into the Roman army or sold as slaves
August 24, 410 The Visigoths under king Alaric I begin to pillage Rome
August 27, 410 The sacking of Rome by the Visigoths ends after three days
August 3, 435 Deposed Ecumenical Patriarch of Constantinople Nestorius, considered the originator of Nestorianism, is exiled by Roman Emperor Theodosius II to a monastery in Egypt
August 24, 455 The Vandals, led by king Genseric, begin to plunder Rome. Pope Leo I requests Genseric not destroy the ancient city or murder its citizens. He agrees and the gates of Rome are opened. However, the Vandals loot a great amount of treasure
August 2, 461 Majorian is arrested near Tortona (Northern Italy) and deposed by the Suebian general Ricimer as puppet emperor
August 7, 461 Roman Emperor Majorian is beheaded near the river Iria in north-west Italy following his arrest and deposition by the magister militum Ricimer
August 28, 475 The Roman general Orestes forces western Roman Emperor Julius Nepos to flee his capital city, Ravenna
August 22, 476 Odoacer is named Rex italiae by his troops
August 23, 476 Odoacer, chieftain of the Germanic tribes (Herulic - Scirian foederati), is proclaimed rex Italiae ("King of Italy") by his troops
August 28, 489 Theodoric, king of the Ostrogoths defeats Odoacer at the Battle of Isonzo, forcing his way into Italy
August 11, 490 Battle of Adda: The Goths under Theodoric the Great and his ally Alaric II defeat the forces of Odoacer on the Adda River, near Milan
August 13, 523 John I becomes the new Pope after the death of Pope Hormisdas
August 30, 526 King Theoderic the Great dies of dysentery at Ravenna; his daughter Amalasuntha takes power as regent for her 10-year old son Athalaric
August 1, 527 Justinian I becomes the sole ruler of the Byzantine Empire
August 13, 554 Emperor Justinian I rewards Liberius for his long and distinguished service in the Pragmatic Sanction, granting him extensive estates in Italy
August 22, 565 Columba reports seeing a monster in Loch Ness, Scotland
August 13, 582 Maurice becomes Emperor of the Eastern Roman Empire
August 4, 598 Goguryeo-Sui War: Emperor Wéndi of Sui orders his youngest son, Yang Liang (assisted by the co-prime minister Gao Jiong), to conquer Goguryeo (Korea) during the Manchurian rainy season, with a Chinese army and navy
August 1, 607 Ono no Imoko is dispatched as envoy to the Sui court in China (Traditional Japanese date: July 3, 607)
August 7, 626 The Avar and Slav armies leave the siege of Constantinople
August 23, 634 Abu Bakr dies at Medina and is succeeded by Umar I who becomes the second caliph of the Rashidun Caliphate
August 15, 636 Arab–Byzantine wars: The Battle of Yarmouk between Byzantine Empire and Rashidun Caliphate begins
August 20, 636 Battle of Yarmouk: Arab forces led by Khalid ibn al-Walid take control of Syria and Palestine away from the Byzantine Empire, marking the first great wave of Muslim conquests and the rapid advance of Islam outside Arabia
August 5, 642 Battle of Maserfield: Penda of Mercia defeats and kills Oswald of Northumbria
August 28, 663 Silla–Tang armies crush the Baekje restoration attempt and force Yamato Japan to withdraw from Korea in the Battle of Baekgang
August 18, 684 Battle of Marj Rahit: Umayyad partisans defeat the supporters of Ibn al-Zubayr and cement Umayyad control of Syria
August 29, 708 Copper coins are minted in Japan for the first time (Traditional Japanese date: August 10, 708)
August 15, 717 Arab–Byzantine wars: Maslamah ibn Abd al-Malik begins the Second Arab Siege of Constantinople, which will last for nearly a year
August 15, 718 Arab–Byzantine wars: Raising of the Second Arab Siege of Constantinople
August 15, 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 15, 778 The Battle of Roncevaux Pass, at which Roland is killed
August 22, 851 Battle of Jengland: Erispoe defeats Charles the Bald near the Breton town of Jengland
August 3, 881 Battle of Saucourt-en-Vimeu: Louis III of France defeats the Vikings, an event celebrated in the poem Ludwigslied
August 13, 900 Count Reginar I of Hainault rises against Zwentibold of Lotharingia and slays him near present-day Susteren
August 1, 902 Taormina, the last Byzantine stronghold in Sicily, is captured by the Aghlabids army, concluding the Muslim conquest of Sicily
August 5, 910 The last major Danish army to raid England is defeated at the Battle of Tettenhall by the allied forces of Mercia and Wessex, led by King Edward the Elder and Earl Aethelred of Mercia