January 1 » The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.
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 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
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 June 1, 1903
The temperature on June 1, 1903 was between 13.8 °C and 29.1 °C and averaged 20.9 °C. There was 16.3 hours of sunshine (99%). Source: KNMI
February 14 » The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
April 26 » Atlético Madrid Association football club is founded
July 1 » Start of first Tour de France bicycle race.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
October 6 » The High Court of Australia sits for the first time.
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
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/I114016.php : accessed October 25, 2026), "Johannes Fennema (1902-1903)".
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