The temperature on October 12, 1921 was between 10.4 °C and 17.2 °C and averaged 13.8 °C. 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.
January 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
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.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
July 11 » A truce in the Irish War of Independence comes into effect.
When copying data from this family tree, please include a reference to the origin: Ton Ross, "Family tree Ross - Peters - Hart - van der Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ross/I11.php : accessed February 3, 2026), "Maria den Arend (1921-)".
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