The temperature on August 13, 1921 was between 7.7 °C and 17.7 °C and averaged 13.9 °C. There was 0.5 hours of sunshine (3%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
July 11 » A truce in the Irish War of Independence comes into effect.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
Day of marriage December 6, 1952
The temperature on December 6, 1952 was between -1.8 °C and 4.9 °C and averaged 2.1 °C. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
February 21 » The Bengali Language Movement protests occur at the University of Dhaka in East Pakistan (now Bangladesh).
February 26 » Vincent Massey is sworn in as the first Canadian-born Governor General of Canada.
May 2 » A De Havilland Comet makes the first jetliner flight with fare-paying passengers, from London to Johannesburg.
August 11 » Hussein bin Talal is proclaimed King of Jordan.
October 8 » The Harrow and Wealdstone rail crash kills 112 people.
November 25 » Agatha Christie's murder-mystery play The Mousetrap opens at the Ambassadors Theatre in London. It will become the longest continuously-running play in history.
Day of death October 1, 1974
The temperature on October 1, 1974 was between 1.6 °C and 13.3 °C and averaged 6.5 °C. There was 0.8 mm of rain during 0.2 hours. There was 3.3 hours of sunshine (28%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 3 » Turkish Airlines Flight 981 crashes at Ermenonville near Paris, France killing all 346 aboard.
May 28 » Northern Ireland's power-sharing Sunningdale Agreement collapses following a general strike by loyalists.
July 30 » Watergate scandal: U.S. President Richard Nixon releases subpoenaed White House recordings after being ordered to do so by the Supreme Court of the United States.
September 17 » Bangladesh, Grenada and Guinea-Bissau join the United Nations.
November 20 » The United States Department of Justice files its final anti-trust suit against AT&T Corporation. This suit later leads to the breakup of AT&T and its Bell System.
December 22 » The house of former British Prime Minister Edward Heath is attacked by members of the Provisional IRA.
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/I18284.php : accessed February 7, 2026), "Cornelius Janse de Villiers Potgieter (1921-1974)".
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