Historical Events In April - 20
Wednesday, 17 September 2025
0121 On this day in history the birth of Marcus Aurelius, Roman emperor
0295 On April - 20 8th recorded perihelion passage of Halley's Comet
0850 Guntherus becomes bishop of Cologne on April - 20.
1139 On April - 20 2nd Lateran Council (10th ecumenical council) opens in Rome
1164 On April - 20 victor IV, [Ottaviano Montecello], Italian antipope (1159-64), dies
1314 Clement V, [Bertrand Got], pope (1305-14) move papacy to Avignon, dies on this day in history.
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 Edward IV, King (England, 1461-83) on April - 20.
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 Elizabeth Barton, [St Magd van Kent], British prophet, dies on this day in history.
1551 On this day in history john Dudley becomes English Earl Marshal
1592 John Eliot, St Germans Cornwall, English MP/author on this day in history.
1594 Matthaus Apelles von Lowenstern, composer on April - 20.
1632 On April - 20 nicolas Antione, converted to Judiasm, burned at the stake
1643 On April - 20 christoph Demantius, composer, dies at 75
1650 VOC-management sets new guidelines on this day in history.
1653 On this day in history cromwell routes English parliament to house
1657 Battle in Santa Cruz Bay, Tenerife: English fleet under Robert Blake sinks Spanish silver fleet on this day in history.
1662 On this day in history gerard Terborch, the elder, painter, dies
1689 The former King James II of England, now deposed, lays siege to Derry on this day in history.
1695 Georg Caspar Weckler, composer, dies at 63 on this day in history.
1702 On April - 20 comet C/1702 H1 approaches within 0.0437 AUs of Earth
1705 Balthasar Schmid, composer on this day in history.
1715 Nicholas Rowe's "Tragedy of Lady Jane Gray," premieres in London on April - 20.
1725 Johann Friedrich Kloffler, composer on April - 20.
1726 Jozef de Ferraris, French/Austrian earl/general/cartographer on April - 20.
1745 On April - 20 the birth of Philippe Pinel, First psychiatrist
1745 Philippe Pinel, physician, founder of psychiatry on this day in history.
1748 On this day in history georg Michael Telemann, composer
1759 Georg Friedrich Handel, buried in Westminster Abbey on this day in history.
1761 Johann Gottlieb Karl Spazier, composer on this day in history.
1768 Giovanni AC Canaletto, Italian painter/cartoonist (Rialto), dies at 70 on April - 20.
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