The temperature on July 31, 1921 was between 9.8 °C and 25.4 °C and averaged 18.5 °C. There was 11.9 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
March 15 » Talaat Pasha, former Grand Vizir of the Ottoman Empire and chief architect of the Armenian Genocide is assassinated in Berlin by a 23-year-old Armenian, Soghomon Tehlirian.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
August 14 » Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia).
Day of marriage December 11, 1952
The temperature on December 11, 1952 was between -2.1 °C and 4.0 °C and averaged 1.3 °C. There was 1.5 mm of rain during 4.8 hours. The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
January 26 » Black Saturday in Egypt: rioters burn Cairo's central business district, targeting British and upper-class Egyptian businesses.
February 20 » Emmett Ashford becomes the first African-American umpire in organized baseball by being authorized to be a substitute umpire in the Southwestern International League.
May 7 » The concept of the integrated circuit, the basis for all modern computers, is first published by Geoffrey Dummer.
July 23 » General Muhammad Naguib leads the Free Officers Movement (formed by Gamal Abdel Nasser, the real power behind the coup) in overthrowing King Farouk of Egypt.
September 8 » The Canadian Broadcasting Corporation makes its first televised broadcast on the second escape of the Boyd Gang.
November 19 » Greek Field Marshal Alexander Papagos becomes the 152nd Prime Minister of Greece.
When copying data from this family tree, please include a reference to the origin: Frits Arink, "Family tree Schackman-Arink-Tel-Keijzer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-schackman/I855.php : accessed January 3, 2026), "Johannes Adrianus Maria Schackmann (1921-1981)".
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