The temperature on February 7, 1919 was between -10.1 °C and -4.3 °C and averaged -7.4 °C. There was 8.6 hours of sunshine (91%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-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.
May 19 » Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, initiating what is later termed the Turkish War of Independence.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
June 11 » Sir Barton wins the Belmont Stakes, becoming the first horse to win the U.S. Triple Crown.
June 21 » The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg general strike.
September 11 » United States Marine Corps invades Honduras.
October 17 » RCA is incorporated as the Radio Corporation of America.
Day of death December 12, 1920
The temperature on December 12, 1920 was between -4.0 °C and -0.9 °C and averaged -2.0 °C. There was 0.4 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. 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.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I451998.php : accessed February 18, 2026), "Annegien de Vries (1919-1920)".
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