January 30 » The first Anglo-Japanese Alliance is signed in London.
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.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
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 April 2, 1903
The temperature on April 2, 1903 was between 3.1 °C and 9.9 °C and averaged 5.8 °C. There was 5.2 hours of sunshine (40%). Source: KNMI
April 26 » Atlético Madrid Association football club is founded
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I57761.php : accessed February 1, 2026), "Trientje Veenstra (1902-1903)".
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