January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
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 10 » The opening of the reservoir of the Aswan Dam in Egypt.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
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.
February 18 » World War II: The Nazis arrest the members of the White Rose movement.
March 3 » World War II: In London, 173 people are killed in a crush while trying to enter an air-raid shelter at Bethnal Green tube station.
March 14 » The liquidation of the Kraków Ghetto is completed.
July 4 » World War II: In Gibraltar, a Royal Air Force B-24 Liberator bomber crashes into the sea in an apparent accident moments after takeoff, killing sixteen passengers on board, including general Władysław Sikorski, the commander-in-chief of the Polish Army and the Prime Minister of the Polish government-in-exile; only the pilot survives.
September 6 » Pennsylvania Railroad's premier train derails at Frankford Junction in Philadelphia, killing 79 people and injuring 117 others.
December 5 » World War II: Allied air forces begin attacking Germany's secret weapons bases in Operation Crossbow.
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 15, 2026), "Aaltje de Boer (1902-1943)".
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