Historical Events In August - 20
Monday, 19 May 2025
0002 Venus-Jupiter in conjunction-Star of Bethlehem on August - 20.
0535 Mochta of Louth, disciple of St. Patrick on August - 20.
0573 Gregory of Tours selected bishop of Tours on this day in history.
0636 Battle at Yarmuk: Moslems beat Byzantines [or August 15] on August - 20.
0917 The Bulgarian czar Symeon overruns Thrace in violation of a 913 agreement with Constantinople The Byzantines launch a counterattack but are routed August 20 at Anchialus Symeon gains control of the Balkans on August - 20.
0917 Battle at Anchialus: Bulgaria army counter attacks Byzantines on this day in history.
0984 On this day in history john XIV, [Petrus Canepanova], Italian Pope (983-84), dies
1000 On this day in history the foundation of the Hungarian state, Hungary is established as a Christian kingdom by Stephen I of Hungary.
1153 On this day in history bernard[us] van Clairvaux, French saint, dies
1191 Crusader King Richard I kills 3,000 muslim prisoners in Akko on this day in history.
1384 Geert Great, [Gerardus Magnus], theologist (Getijdenboek), dies on this day in history.
1391 Konrad von Wallenrode becomes the 24th Hochmeister of the Teutonic Order on August - 20.
1517 On August - 20 antoine Perrenot de Granvelle, cardinal/viceroy of Naples (1571-75)
1526 On August - 20 peter Opmeer, church historian/humanist (Historia Martyrum)
1534 Turkish admiral Chaireddin"Barbarossa" occupies Tunis on this day in history.
1538 On this day in history aefgen Listinck, Dutch anabaptist, burned at stake
1561 On this day in history jacopo Peri, composer
1566 On this day in history iconoclasm reaches Antwerp Belgium
1583 On this day in history humphrey Gilbert c1537-1583 sails to Cape Race Newfoundland to fish for cod and explore mainland; sends two ships back to England.
1585 English queen Elizabeth I signs Treaty of Nonsuch: aid to Netherland on August - 20.
1597 1st Dutch East India Company ships returned from Far East on this day in history.
1604 Spanish garrison of Sluis surrenders to count Maurice on this day in history.
1619 1st Black slaves brought by Dutch to colony of Jamestown Virginia on this day in history.
1620 Hudson's Bay Company employee Henry Kelsey sees buffalo on the Prairies, southwest of The Pas; the first white man to describe them on August - 20.
1625 Thomas Corneille, French playwright on August - 20.
1632 On this day in history valentin de Boulogne, French painter, buried at 38
1637 Cornelis Van Aerssen, Dutch governor/co-owner of Surinam on August - 20.
1639 Martin Opitz, German poet/historian (Troerinnen), dies at 41 on this day in history.
1641 Britain & Scotland sign Treaty of Pacification on this day in history.
1648 Battle of Lens: French duke d'Enghien defeats Spaniards on this day in history.
1648 On this day in history edward Herbert of Cherbury, English military/philosopher, dies at 65
1665 Bernardus Smijtegelt, vicar (Gekrookte Reed) on this day in history.
1666 On this day in history alphonse d' Eve, composer
1672 On August - 20 former Grand Pensionary Johan de Witt and his brother Cornelis are brutally murdered by an angry mob in The Hague.