March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
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.
June 16 » The Ford Motor Company is incorporated.
July 1 » Start of first Tour de France bicycle race.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
Day of death December 30, 1903
The temperature on December 30, 1903 was between -8.4 °C and -1.8 °C and averaged -5.6 °C. There was 6.1 hours of sunshine (78%). Source: KNMI
February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
July 19 » Maurice Garin wins the first Tour de France.
October 6 » The High Court of Australia sits for the first time.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I2895.php : accessed October 9, 2026), "Hendrika Leenheers (1903-1903)".
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