April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of death April 23, 1943
The temperature on April 23, 1943 was between 6.8 °C and 22.2 °C and averaged 14.9 °C. There was 1.6 mm of rain during 0.8 hours. There was 7.2 hours of sunshine (50%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 15 » The Pentagon is dedicated in Arlington, Virginia.
January 24 » World War II: Franklin D. Roosevelt and Winston Churchill conclude a conference in Casablanca.
February 9 » World War II: Allied authorities declare Guadalcanal secure after Imperial Japan evacuates its remaining forces from the island, ending the Battle of Guadalcanal.
February 10 » World War II: Attempting to completely lift the Siege of Leningrad, the Soviet Red Army engages German troops and Spanish volunteers in the Battle of Krasny Bor.
March 2 » World War II: Allied aircraft defeat a Japanese attempt to ship troops to New Guinea.
August 1 » World War II: Operation Tidal Wave also known as "Black Sunday", was a failed American attempt to destroy Romanian oil fields.
When copying data from this family tree, please include a reference to the origin: Frank Coster, "Family tree Coster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_coster/I9645.php : accessed January 11, 2026), "Sophia Soesman (1895-1943)".
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