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 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
November 4 » Japanese Prime Minister Hara Takashi is assassinated in Tokyo.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
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
April 9 » Hugo Ballivián's government is overthrown by the Bolivian National Revolution, starting a period of agrarian reform, universal suffrage and the nationalization of tin mines
April 21 » Secretary's Day (now Administrative Professionals' Day) is first celebrated.
May 13 » The Rajya Sabha, the upper house of the Parliament of India, holds its first sitting.
June 13 » Catalina affair: A Swedish Douglas DC-3 is shot down by a Soviet MiG-15 fighter.
June 26 » The Pan-Malayan Labour Party is founded in Malaya, as a union of statewide labour parties.
October 20 » The Governor of Kenya declares a state of emergency and begins arresting hundreds of suspected leaders of the Mau Mau Uprising.
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 March 13, 2026), "Johannes Adrianus Maria Schackmann (1921-1981)".
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