Historical Events In August - 20
Saturday, 14 June 2025
0002 Venus-Jupiter in conjunction-Star of Bethlehem on this day in history.
0535 On August - 20 mochta of Louth, disciple of St. Patrick
0573 On August - 20 gregory of Tours selected bishop of Tours
0636 Battle at Yarmuk: Moslems beat Byzantines [or August 15] on August - 20.
0917 On August - 20 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
0917 Battle at Anchialus: Bulgaria army counter attacks Byzantines on this day in history.
0984 John XIV, [Petrus Canepanova], Italian Pope (983-84), dies on this day in history.
1000 On August - 20 the foundation of the Hungarian state, Hungary is established as a Christian kingdom by Stephen I of Hungary.
1153 Bernard[us] van Clairvaux, French saint, dies on August - 20.
1191 Crusader King Richard I kills 3,000 muslim prisoners in Akko on this day in history.
1384 On this day in history geert Great, [Gerardus Magnus], theologist (Getijdenboek), dies
1391 On August - 20 konrad von Wallenrode becomes the 24th Hochmeister of the Teutonic Order.
1517 Antoine Perrenot de Granvelle, cardinal/viceroy of Naples (1571-75) on August - 20.
1526 Peter Opmeer, church historian/humanist (Historia Martyrum) on this day in history.
1534 On this day in history turkish admiral Chaireddin"Barbarossa" occupies Tunis
1538 Aefgen Listinck, Dutch anabaptist, burned at stake on this day in history.
1561 On August - 20 jacopo Peri, composer
1566 On August - 20 iconoclasm reaches Antwerp Belgium
1583 Humphrey Gilbert c1537-1583 sails to Cape Race Newfoundland to fish for cod and explore mainland; sends two ships back to England on this day in history.
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 August - 20.
1619 On this day in history 1st Black slaves brought by Dutch to colony of Jamestown Virginia
1620 On August - 20 hudson's Bay Company employee Henry Kelsey sees buffalo on the Prairies, southwest of The Pas; the first white man to describe them.
1625 Thomas Corneille, French playwright on this day in history.
1632 On August - 20 valentin de Boulogne, French painter, buried at 38
1637 Cornelis Van Aerssen, Dutch governor/co-owner of Surinam on this day in history.
1639 Martin Opitz, German poet/historian (Troerinnen), dies at 41 on this day in history.
1641 On August - 20 britain & Scotland sign Treaty of Pacification
1648 On this day in history battle of Lens: French duke d'Enghien defeats Spaniards
1648 On this day in history edward Herbert of Cherbury, English military/philosopher, dies at 65
1665 Bernardus Smijtegelt, vicar (Gekrookte Reed) on August - 20.
1666 On August - 20 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.