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
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
July 23 » The Ford Motor Company sells its first car.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
Day of death January 31, 1904
The temperature on January 31, 1904 was between 3.4 °C and 7.6 °C and averaged 4.9 °C. There was 1.5 hours of sunshine (17%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southeast. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
February 8 » Aceh War: Dutch Colonial Army's Marechaussee regiment led by General G.C.E. van Daalen launch military campaign to capture Gayo Highland, Alas Highland, and Batak Highland in Dutch East Indies' Northern Sumatra region, which ends with genocide to Acehnese and Bataks people.
May 15 » Russo-Japanese War: The Russian minelayer Amur lays a minefield about 15 miles off Port Arthur and sinks Japan's battleships Hatsuse, 15,000 tons, with 496 crew and Yashima.
June 15 » A fire aboard the steamboat SSGeneral Slocum in New York City's East River kills 1,000.
July 21 » Louis Rigolly, a Frenchman, becomes the first man to break the 100mph (161km/h) barrier on land. He drove a 15-liter Gobron-Brillié in Ostend, Belgium.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
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/I81980.php : accessed December 28, 2025), "Janke Jagersma (1903-1904)".
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