January 1 » The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
April 20 » Pierre and Marie Curie refine radium chloride.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
Day of death October 23, 1943
The temperature on October 23, 1943 was between 11.3 °C and 16.0 °C and averaged 13.2 °C. There was 2.2 mm of rain during 1.3 hours. The average windspeed was 4 Bft (moderate breeze) 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.
January 11 » Italian-American anarchist Carlo Tresca is assassinated in New York City.
February 23 » Greek Resistance: The United Panhellenic Organization of Youth is founded in Greece.
February 27 » The Smith Mine #3 in Bearcreek, Montana, explodes, killing 74 men.
September 6 » The Monterrey Institute of Technology is founded in Monterrey, Mexico as one of the largest and most influential private universities in Latin America.
September 18 » World War II: Adolf Hitler orders the deportation of Danish Jews.
October 8 » World War II: Around 30 civilians are executed by Friedrich Schubert's paramilitary group in Kallikratis, Crete.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I7928.php : accessed January 25, 2026), "Jan Boks (1902-1943)".
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