March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
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 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
August 22 » Cadillac Motor Company is founded.
Day of death September 17, 1943
The temperature on September 17, 1943 was between 9.0 °C and 21.9 °C and averaged 15.1 °C. There was 2.0 mm of rain during 2.0 hours. There was 3.7 hours of sunshine (29%). The average windspeed was 2 Bft (weak wind) 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.
April 13 » World War II: The discovery of mass graves of Polish prisoners of war killed by Soviet forces in the Katyń Forest Massacre is announced, causing a diplomatic rift between the Polish government-in-exile in London and the Soviet Union, which denies responsibility.
April 26 » The Easter Riots break out in Uppsala, Sweden.
July 19 » World War II: Rome is heavily bombed by more than 500 Allied aircraft, inflicting thousands of casualties.
August 17 » World War II: The U.S. Eighth Air Force suffers the loss of 60 bombers on the Schweinfurt–Regensburg mission.
October 16 » Holocaust in Italy: Raid of the Ghetto of Rome.
December 28 » World War II: After eight days of brutal house-to-house fighting, the Battle of Ortona concludes with the victory of the 1st Canadian Infantry Division over the German 1st Parachute Division and the capture of the Italian town of Ortona.
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/I4304.php : accessed March 7, 2026), "Henriette de Wijze (1902-1943)".
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