February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
August 3 » The Firestone Tire and Rubber Company is founded.
Day of marriage March 25, 1920
The temperature on March 25, 1920 was between 5.9 °C and 11.5 °C and averaged 9.2 °C. There was 0.6 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
May 3 » A Bolshevik coup fails in the Democratic Republic of Georgia.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.
December 24 » Gabriele D'Annunzio surrendered the Italian Regency of Carnaro in the city of Fiume to Italian armed forces.
Day of death February 8, 1921
The temperature on February 8, 1921 was between -1.5 °C and 1.5 °C and averaged 0.1 °C. The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
When copying data from this family tree, please include a reference to the origin: Maarten Heinemann, "Family tree Heinemann-Kuiper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-heinemann-kuiper/I17618.php : accessed March 3, 2026), "Anthonie Kelderman (1900-1921)".
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