Historical Events In April - 20
Saturday, 06 December 2025
0121 The birth of Marcus Aurelius, Roman emperor on April - 20. 

0295 8th recorded perihelion passage of Halley's Comet on this day in history. 

0850 On this day in history guntherus becomes bishop of Cologne 

1139 On this day in history 2nd Lateran Council (10th ecumenical council) opens in Rome 

1164 On April - 20 victor IV, [Ottaviano Montecello], Italian antipope (1159-64), dies 

1314 On April - 20 clement V, [Bertrand Got], pope (1305-14) move papacy to Avignon, dies 

1317 On this day in history agnes van Montepulciano, Italian mystic/saint, dies 

1441 During the Council of Florence, Pope Eugenius IV issues the bull "Etsi non dubitemus," which asserts the superiority of the pope over the Councils on this day in history. 

1442 On this day in history edward IV, King (England, 1461-83) 

1494 On April - 20 john Agricola, [Schneider], German theologist/prime minister 

1505 On April - 20 jews are expelled from Orange Burgandy by Philibert of Luxembourg 

1534 On this day in history elizabeth Barton, [St Magd van Kent], British prophet, dies 

1551 John Dudley becomes English Earl Marshal on April - 20. 

1592 On this day in history john Eliot, St Germans Cornwall, English MP/author 

1594 On April - 20 matthaus Apelles von Lowenstern, composer 

1632 Nicolas Antione, converted to Judiasm, burned at the stake on April - 20. 

1643 On this day in history christoph Demantius, composer, dies at 75 

1650 On April - 20 vOC-management sets new guidelines 

1653 Cromwell routes English parliament to house on this day in history. 

1657 On this day in history battle in Santa Cruz Bay, Tenerife: English fleet under Robert Blake sinks Spanish silver fleet 

1662 On April - 20 gerard Terborch, the elder, painter, dies 

1689 The former King James II of England, now deposed, lays siege to Derry on April - 20. 

1695 Georg Caspar Weckler, composer, dies at 63 on April - 20. 

1702 Comet C/1702 H1 approaches within 0.0437 AUs of Earth on April - 20. 

1705 On April - 20 balthasar Schmid, composer 

1715 On April - 20 nicholas Rowe's "Tragedy of Lady Jane Gray," premieres in London 

1725 On April - 20 johann Friedrich Kloffler, composer 

1726 Jozef de Ferraris, French/Austrian earl/general/cartographer on this day in history. 

1745 The birth of Philippe Pinel, First psychiatrist on this day in history. 

1745 Philippe Pinel, physician, founder of psychiatry on April - 20. 

1748 On April - 20 georg Michael Telemann, composer 

1759 Georg Friedrich Handel, buried in Westminster Abbey on this day in history. 

1761 On this day in history johann Gottlieb Karl Spazier, composer 

1768 Giovanni AC Canaletto, Italian painter/cartoonist (Rialto), dies at 70 on this day in history. 

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