January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
April 20 » Pierre and Marie Curie refine radium chloride.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Cadillac Motor Company is founded.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
Day of death October 23, 1903
The temperature on October 23, 1903 was between 6.3 °C and 12.5 °C and averaged 9.3 °C. There was 2.8 hours of sunshine (27%). Source: KNMI
April 19 » The Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Palestine and the Western world.
July 19 » Maurice Garin wins the first Tour de France.
July 20 » The Ford Motor Company ships its first automobile.
July 23 » The Ford Motor Company sells its first car.
October 13 » The Boston Red Sox win the first modern World Series, defeating the Pittsburgh Pirates in the eighth game.
December 16 » Taj Mahal Palace & Tower hotel in Bombay first opens its doors to guests.
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/I137929.php : accessed February 12, 2026), "Harm van Doezum (1902-1903)".
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