The temperature on February 20, 1920 was between 1.9 °C and 14.6 °C and averaged 7.2 °C. There was 8.7 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south 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.
March 12 » The Kapp Putsch begins when the Marinebrigade Ehrhardt is ordered to march on Berlin.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
November 12 » Italy and the Kingdom of Serbs, Croats and Slovenes sign the Treaty of Rapallo.
Day of marriage April 18, 1944
The temperature on April 18, 1944 was between 2.7 °C and 12.7 °C and averaged 7.7 °C. There was 12.5 hours of sunshine (89%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 4 » World War II: After the success of Big Week, the USAAF begins a daylight bombing campaign of Berlin.
March 6 » World War II: Soviet Air Forces bomb an evacuated town of Narva in German-occupied Estonia, destroying the entire historical Swedish-era town.
June 13 » World War II: German combat elements, reinforced by the 17th SS Panzergrenadier Division, launch a counterattack on American forces near Carentan.
July 6 » Jackie Robinson refuses to move to the back of a bus, leading to a court-martial.
September 19 » World War II: The Moscow Armistice between Finland and the Soviet Union is signed.
October 19 » A coup is launched against Juan Federico Ponce Vaides, beginning the ten-year Guatemalan Revolution.
Day of death April 7, 1947
The temperature on April 7, 1947 was between 7.3 °C and 12.5 °C and averaged 9.2 °C. There was 1.1 hours of sunshine (8%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
March 17 » First flight of the B-45 Tornado strategic bomber.
September 18 » The National Security Council and the Central Intelligence Agency are established in the United States by the National Security Act. It also establishes the Air Force as an equal partner of the Army and Navy.
October 5 » President Truman makes the first televised Oval Office address.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
November 29 » First Indochina War: French forces carry out a massacre at Mỹ Trạch, Vietnam.
December 2 » Jerusalem Riots of 1947: Riots break out in Jerusalem in response to the United Nations Partition Plan for Palestine.
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/I37599.php : accessed February 9, 2026), "Aleida Gerdes (1920-1947)".
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