The temperature on November 29, 1915 was between -5.8 °C and 4.3 °C and averaged -0.7 °C. There was 1.5 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of death September 21, 1986
The temperature on September 21, 1986 was between 7.3 °C and 18.5 °C and averaged 12.5 °C. There was 4.2 hours of sunshine (34%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 28 » Olof Palme, 26th Prime Minister of Sweden, is assassinated in Stockholm.
March 21 » Debi Thomas became the first African American to win the World Figure Skating Championships
April 26 » A nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Ukrainian Soviet Socialist Republic in the Soviet Union, creating the world's worst nuclear disaster.
October 5 » Mordechai Vanunu's story in The Sunday Times reveals Israel's secret nuclear weapons.
October 21 » In Lebanon, pro-Iran kidnappers claim to have abducted American writer Edward Tracy (he is released in August 1991).
December 23 » Voyager, piloted by Dick Rutan and Jeana Yeager, lands at Edwards Air Force Base in California becoming the first aircraft to fly non-stop around the world without aerial or ground refueling.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I8411.php : accessed January 23, 2026), "Margaret (Maggie) Cooper (1915-1986)".
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