February 20 » The legislature of Hawaii Territory convenes for the first time.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
Day of death April 13, 1903
The temperature on April 13, 1903 was between -1.5 °C and 6.6 °C and averaged 2.3 °C. There was 4.1 hours of sunshine (30%). 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).
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
July 1 » Start of first Tour de France bicycle race.
July 23 » The Ford Motor Company sells its first car.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
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: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I25653.php : accessed February 3, 2026), "Jan Hendrik Wiltink (1901-1903)".
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