The temperature on December 15, 1920 was between -8.6 °C and -4.0 °C and averaged -6.2 °C. There was 5.6 hours of sunshine (72%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. 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 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
March 22 » Azeri and Turkish army soldiers with participation of Kurdish gangs attacked the Armenian inhabitants of Shushi (Nagorno Karabakh).
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
August 11 » The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
Day of marriage May 17, 1941
The temperature on May 17, 1941 was between 2.6 °C and 17.2 °C and averaged 10.7 °C. There was 10.1 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 29 » Alexandros Koryzis becomes Prime Minister of Greece upon the sudden death of his predecessor, dictator Ioannis Metaxas.
April 14 » World War II: German general Erwin Rommel attacks Tobruk.
August 24 » Adolf Hitler orders the cessation of Nazi Germany's systematic T4 euthanasia program of the mentally ill and the handicapped due to protests, although killings continue for the remainder of the war.
August 31 » World War II: Serbian paramilitary forces defeat Germans in the Battle of Loznica.
September 28 » Ted Williams achieves a .406 batting average for the season, and becomes the last major league baseball player to bat .400 or better.
November 26 » World War II: Japan's 1st Air Fleet departs the Kuril Islands to strike Pearl Harbor on December 7, 1941.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I165801.php : accessed December 29, 2025), "Hielke Venema (1920-)".
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