The temperature on May 15, 1918 was between 4.5 °C and 20.7 °C and averaged 13.1 °C. There was 0.1 mm of rain. There was 5.8 hours of sunshine (37%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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 5 » SSTuscania is torpedoed off the coast of Ireland; it is the first ship carrying American troops to Europe to be torpedoed and sunk.
March 19 » The US Congress establishes time zones and approves daylight saving time.
May 2 » General Motors acquires the Chevrolet Motor Company of Delaware.
August 21 » World War I: The Second Battle of the Somme begins.
November 12 » Austria becomes a republic. After the proclamation, a coup attempt by the communist Red Guard is defeated by the social-democratic Volkswehr.
November 21 » The Flag of Estonia, previously used by pro-independence activists, is formally adopted as the national flag of the Republic of Estonia.
Day of marriage July 26, 1941
The temperature on July 26, 1941 was between 17.6 °C and 28.3 °C and averaged 21.9 °C. There was 8.9 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
May 10 » World War II: The House of Commons in London is damaged by the Luftwaffe in an air raid.
June 5 » World War II: Four thousand Chongqing residents are asphyxiated in a bomb shelter during the Bombing of Chongqing.
August 29 » World War II: Tallinn, the capital of Estonia, is occupied by Nazi Germany following an occupation by the Soviet Union.
September 3 » The Holocaust: Karl Fritzsch, deputy camp commandant of the Auschwitz concentration camp, experiments with the use of Zyklon B in the gassing of Soviet POWs.
December 8 » World War II: Japanese forces simultaneously invade Shanghai International Settlement, Malaya, Thailand, Hong Kong, the Philippines, and the Dutch East Indies. (See December 7 for the concurrent attack on Pearl Harbor in the Western Hemisphere.)
December 16 » World War II: Japanese forces occupy Miri, Sarawak.
Day of death September 12, 1992
The temperature on September 12, 1992 was between 8.5 °C and 17.8 °C and averaged 12.6 °C. There was 5.3 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 17 » A referendum to end apartheid in South Africa is passed 68.7% to 31.2%.
April 5 » Alberto Fujimori, president of Peru, dissolves the Peruvian congress by military force.
June 15 » The United States Supreme Court rules in United States v. Álvarez-Machaín that it is permissible for the United States to forcibly extradite suspects in foreign countries and bring them to the United States for trial, without approval from those other countries.
July 19 » A car bomb kills Judge Paolo Borsellino and five members of his escort.
October 12 » A 5.8 earthquake occurred in Cairo, Egypt. At least 510 died.
November 16 » The Hoxne Hoard is discovered by metal detectorist Eric Lawes in Hoxne, Suffolk.
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/I176498.php : accessed October 23, 2026), "Ytje de Groot (1918-1992)".
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