June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
October 1 » Yosemite National Park is established by the U.S. Congress.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
Day of marriage April 22, 1920
The temperature on April 22, 1920 was between -0.2 °C and 14.7 °C and averaged 8.1 °C. There was 0.1 mm of rain. There was 10.4 hours of sunshine (73%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. 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 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
May 5 » Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder.
August 15 » Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula.
August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I1511.php : accessed October 5, 2026), "PIETER CHRISTIAAN van DORST (1890-????)".
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