August 20AD 14 – Agrippa Postumus, maternal grandson of the late Roman emperor Augustus, is mysteriously executed by his guards while in exile. 636 – Battle of Yarmouk: Arab forces led by Khalid ibn al-Walid take control of the Levant away from the Byzantine Empire, marking the first great wave of Muslim conquests and the rapid advance of Islam outside Arabia. 917 – Battle of Acheloos: Tsar Simeon I of Bulgaria decisively defeats a Byzantine army. 1083 – Canonization of the first King of Hungary, Saint Stephen and his son Saint Emeric celebrated as a National Day in Hungary.
July 3130 BC – Battle of Alexandria: Mark Antony achieves a minor victory over Octavian's forces, but most of his army subsequently deserts, leading to his suicide. 781 – The oldest recorded eruption of Mount Fuji (Traditional Japanese date: Sixth day of the seventh month of the first year of the Ten'o (天応) era). 1009 – Pope Sergius IV becomes the 142nd pope, succeeding Pope John XVIII. 1201 – Attempted usurpation by John Komnenos the Fat for the throne of Alexios III Angelos.
1775The American Revolutionary War began this year, with the first military engagement being the April 19 Battles of Lexington and Concord on the day after Paul Revere's now-legendary ride. The Second Continental Congress takes various steps toward organizing an American government, appointing George Washington commander-in-chief (June 14), Benjamin Franklin postmaster general (July 26) and creating a Continental Navy (October 13) and a Marine force (November 10) as landing troops for it, but as yet the 13 colonies have not declared independence, and both the British (June 12) and American (July 15) governments make laws.
August 26683 – Yazid I's army kills 11,000 people of Medina including notable Sahabas in Battle of al-Harrah. 1071 – The Seljuq Turks defeat the Byzantine army at the Battle of Manzikert, and soon gain control of most of Anatolia. 1278 – Ladislaus IV of Hungary and Rudolf I of Germany defeat Ottokar II of Bohemia in the Battle on the Marchfeld near Dürnkrut in (then) Moravia. 1303 – Chittorgarh falls to the Delhi Sultanate. 1346 – At the Battle of Crécy, an English army easily defeats a French one twice its size.
December 23484 – The Arian Vandal Kingdom ceases its persecution of Nicene Christianity. 558 – Chlothar I is crowned King of the Franks. 583 – Maya queen Yohl Ik'nal is crowned ruler of Palenque. 962 – The Sack of Aleppo as part of the Arab–Byzantine wars: Under the future Emperor Nicephorus Phocas, Byzantine troops storm the city of Aleppo. 1598 – Arauco War: Governor of Chile Martín García Óñez de Loyola is killed in the Battle of Curalaba by Mapuches led by Pelantaru.
March 7161 – Marcus Aurelius and L. Commodus (who changes his name to Lucius Verus) become joint emperors of Rome on the death of Antoninus Pius. 1138 – Konrad III von Hohenstaufen was elected king of Germany at Coblenz in the presence of the papal legate Theodwin. 1277 – The University of Paris issues the last in a series of condemnations of various philosophical and theological theses. 1573 – A peace treaty is signed between the Ottoman Empire and the Republic of Venice, ending the Ottoman–Venetian War and leaving Cyprus in Ottoman hands.
1786January 3 – The third Treaty of Hopewell is signed, between the United States and the Choctaw. January 6 – The outward bound East Indiaman Halsewell is wrecked on the south coast of England in a storm, with only 74 of more than 240 on board surviving. February 2 – In a speech before The Asiatic Society in Calcutta, Sir William Jones notes the formal resemblances between Latin, Greek, and Sanskrit, laying the foundation for comparative linguistics and Indo-European studies.
1760January 9 – Battle of Barari Ghat: Afghan forces defeat the Marathas. January 22 – Seven Years' War – Battle of Wandiwash, India: British general Sir Eyre Coote is victorious over the French under the Marquis de Bussy-Castelnau. January 28 – Benning Wentworth creates the New Hampshire Grant of Pownal, Vermont. February 15 – The British Royal Navy ship HMS Royal Katherine runs aground off Bolt Head in England, with the loss of 699 lives.
1779January 11 – British troops surrender to the Marathas in Wadgaon, India, and are forced to return all territories acquired since 1773. January 11 – Ching-Thang Khomba is crowned King of Manipur. January 22 – American Revolutionary War – Claudius Smith is hanged at Goshen, Orange County, New York for supposed acts of terrorism upon the people of the surrounding communities.
1769February 2 – Pope Clement XIII dies, the night before preparing an order to dissolve the Jesuits. February 17 – The British House of Commons votes to not allow MP John Wilkes to take his seat after he wins a by-election. March 4 – Mozart departs Italy, after the last of his three tours there. March 16 – Louis Antoine de Bougainville returns to Saint-Malo, following a three-year circumnavigation of the world with the ships La Boudeuse and Étoile, with the loss of only seven out of 330 men; among the members of the expedition is Jeanne Baré, the first woman known to have circumnavigated the globe.
