April 26 » Atlético Madrid Association football club is founded
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
December 16 » Taj Mahal Palace & Tower hotel in Bombay first opens its doors to guests.
Day of death April 20, 1904
The temperature on April 20, 1904 was between 5.9 °C and 19.2 °C and averaged 12.5 °C. There was 11.7 hours of sunshine (82%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 22 » The United Kingdom sells a meteorological station on the South Orkney Islands to Argentina; the islands are subsequently claimed by the United Kingdom in 1908.
May 9 » The steam locomotive City of Truro becomes the first steam engine in Europe to exceed 100mph (160km/h).
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.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
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/I169767.php : accessed December 28, 2025), "Jan Steenstra (1903-1904)".
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