The temperature on February 22, 1920 was between -1.0 °C and 7.5 °C and averaged 3.8 °C. There was 8.2 hours of sunshine (79%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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.
January 23 » The Netherlands refuses to surrender the exiled Kaiser Wilhelm II of Germany to the Allies.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
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.
May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France
Day of marriage April 11, 1942
The temperature on April 11, 1942 was between 4.3 °C and 15.7 °C and averaged 9.7 °C. There was 11.9 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
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.
March 8 » World War II: Imperial Japanese Army forces gave ultimatum to Dutch East Indies Governor General Jonkheer Tjarda van Starkenborgh Stachouwer and KNIL Commander in Chief Lieutenant General Hein Ter Poorten, to unconditionally surrender.
April 8 » World War II: Siege of Leningrad: Soviet forces open a much-needed railway link to Leningrad.
June 11 » Free French Forces retreat from Bir Hakeim after having successfully delayed the Axis advance.
July 10 » World War II: An American pilot spots a downed, intact Mitsubishi A6M Zero on Akutan Island (the "Akutan Zero") that the US Navy uses to learn the aircraft's flight characteristics.
July 25 » The Norwegian Manifesto calls for nonviolent resistance to the German occupation.
September 15 » World War II: U.S. Navy aircraft carrier USSWasp is sunk by Japanese torpedoes at Guadalcanal.
Day of death July 12, 1985
The temperature on July 12, 1985 was between 14.6 °C and 23.6 °C and averaged 18.6 °C. There was 6.4 hours of sunshine (39%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 23 » Coca-Cola changes its formula and releases New Coke. The response is overwhelmingly negative, and the original formula is back on the market in less than three months.
July 7 » Boris Becker becomes the youngest player ever to win Wimbledon at age 17.
July 13 » Vice President George H. W. Bush becomes the Acting President for the day when President Ronald Reagan undergoes surgery to remove polyps from his colon.
July 19 » The Val di Stava dam collapses killing 268 people in Val di Stava, Italy.
October 26 » The Australian government returns ownership of Uluru to the local Pitjantjatjara Aboriginals.
November 19 » Police in Baling, Malaysia, lay siege to houses occupied by an Islamic sect of about 400 people led by Ibrahim Mahmud.
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/I145048.php : accessed October 22, 2026), "Pieter Heidstra (1920-1985)".
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