January 1 » The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 20 » Pierre and Marie Curie refine radium chloride.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
Day of death May 20, 1963
The temperature on May 20, 1963 was between 2.0 °C and 15.6 °C and averaged 10.0 °C. There was 0.1 mm of rain during 0.4 hours. There was 9.7 hours of sunshine (61%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
May 11 » Racist bombings in Birmingham, Alabama, disrupt nonviolence in the Birmingham campaign and precipitate a crisis involving federal troops.
July 1 » ZIP codes are introduced for United States mail.
September 25 » Lord Denning releases the UK government's official report on the Profumo affair.
October 7 » President Kennedy signs the ratification of the Partial Nuclear Test Ban Treaty.
October 31 » A propane tank explosion at the Indiana State Fair Coliseum (now the Indiana Farmers Coliseum) in Indianapolis kills 74 people and injures another 400 during an ice skating show.
December 25 » Turkish Cypriot Bayrak Radio begins transmitting in Cyprus after Turkish Cypriots are forcibly excluded from Cyprus Broadcasting Corporation.
When copying data from this family tree, please include a reference to the origin: T. Kurvers, "Family tree Kurvers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_kurvers/I7315.php : accessed February 17, 2026), "Victor Gregorius van der Wielen (1902-1963)".
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