The temperature on June 10, 1921 was between 9.4 °C and 16.2 °C and averaged 12.3 °C. There was 6.3 mm of rain. There was 1.3 hours of sunshine (8%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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 21 » Rezā Shāh takes control of Tehran during a successful coup.
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.
May 3 » West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
October 5 » The World Series is the first to be broadcast on radio.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
Day of death August 12, 1968
The temperature on August 12, 1968 was between 11.4 °C and 20.6 °C and averaged 16.2 °C. There was 9.1 hours of sunshine (61%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 18 » Gold standard: The U.S. Congress repeals the requirement for a gold reserve to back US currency.
April 4 » Apollo program: NASA launches Apollo 6.
July 8 » The Chrysler wildcat strike begins in Detroit, Michigan.
July 17 » Abdul Rahman Arif is overthrown and the Ba'ath Party is installed as the governing power in Iraq with Ahmed Hassan al-Bakr as the new Iraqi President.
September 15 » The Soviet Zond 5 spaceship is launched, becoming the first spacecraft to fly around the Moon and re-enter the Earth's atmosphere.
December 13 » Brazilian President Artur da Costa e Silva issues AI-5 (Institutional Act No. 5), enabling government by decree and suspending habeas corpus.
When copying data from this family tree, please include a reference to the origin: Arjen P Mets, "Family tree Mets", database, Genealogy Online (https://www.genealogieonline.nl/mets-stamboom/I33.php : accessed January 10, 2026), "Jan Groeneveld (1921-1968)".
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