April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 20 » Pierre and Marie Curie refine radium chloride.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
Day of death May 10, 1943
The temperature on May 10, 1943 was between 5.0 °C and 14.2 °C and averaged 10.3 °C. There was 3.4 mm of rain during 4.3 hours. There was 3.9 hours of sunshine (25%). The average windspeed was 6 Bft (strong wind) and was prevailing from the south-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.
March 13 » German forces liquidate the Jewish ghetto in Kraków.
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.
August 27 » World War II: Aerial bombardment by the Luftwaffe razes to the ground the village of Vorizia in Crete.
September 18 » World War II: Adolf Hitler orders the deportation of Danish Jews.
October 22 » World War II: In the Second firestorm raid on Germany, the RAF conducts an air raid on the town of Kassel, killing 10,000 and rendering 150,000 homeless.
December 26 » World War II: German warship Scharnhorst is sunk off of Norway's North Cape after a battle against major Royal Navy forces.
When copying data from this family tree, please include a reference to the origin: Peter Keuker, "Family tree Köker tot Keuker", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koker-tot-keuker/I12.php : accessed September 22, 2024), "Petronella Andrea Keuker (1902-1943)".
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