January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of death June 21, 1943
The temperature on June 21, 1943 was between 9.5 °C and 18.1 °C and averaged 14.3 °C. There was 2.8 mm of rain during 3.9 hours. There was 1.8 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 18 » Warsaw Ghetto Uprising: The first uprising of Jews in the Warsaw Ghetto.
June 24 » US military police attempt to arrest a black soldier in Bamber Bridge, England, sparking the Battle of Bamber Bridge mutiny that leaves one dead and seven wounded.
July 19 » World War II: Rome is heavily bombed by more than 500 Allied aircraft, inflicting thousands of casualties.
September 10 » World War II: In the course of Operation Achse, German troops begin their occupation of Rome.
November 16 » World War II: American bombers strike a hydro-electric power facility and heavy water factory in German-controlled Vemork, Norway.
November 25 » World War II: Statehood of Bosnia and Herzegovina is re-established at the State Anti-fascist Council for the National Liberation of Bosnia and Herzegovina.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I113205.php : accessed October 15, 2026), "Klaas Veenstra (1902-1943)".
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