February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
March 6 » Real Madrid CF is founded.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
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.
Day of death July 11, 1943
The temperature on July 11, 1943 was between 11.7 °C and 17.8 °C and averaged 15.7 °C. There was 2.9 mm of rain during 3.7 hours. There was 0.3 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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 17 » World War II: Greek submarine Papanikolis captures the 200-ton sailing vessel Agios Stefanos and mans her with part of her crew.
March 27 » World War II: Battle of the Komandorski Islands: In the Aleutian Islands the battle begins when United States Navy forces intercept Japanese attempting to reinforce a garrison at Kiska.
April 8 » Otto and Elise Hampel are executed in Berlin for their anti-Nazi activities.
April 30 » World War II: The British submarine HMSSeraph surfaces near Huelva to cast adrift a dead man dressed as a courier and carrying false invasion plans.
August 17 » World War II: The Royal Air Force begins Operation Hydra, the first air raid of the Operation Crossbow strategic bombing campaign against Germany's V-weapon program.
December 30 » Subhas Chandra Bose raises the flag of Indian independence at Port Blair.
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/I112589.php : accessed October 24, 2026), "Aaltje de Boer (1902-1943)".
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