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.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
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.
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.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of death December 24, 1903
The temperature on December 24, 1903 was between -1.4 °C and -0.1 °C and averaged -0.7 °C. Source: KNMI
February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
March 2 » In New York City the Martha Washington Hotel opens, becoming the first hotel exclusively for women.
April 26 » Atlético Madrid Association football club is founded
July 4 » The Philippine–American War is officially concluded.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
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/I90581.php : accessed December 29, 2025), "Hindrik Jan Tammens (1902-1903)".
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