The temperature on June 1, 1920 was between 5.9 °C and 17.0 °C and averaged 13.3 °C. There was 0.1 mm of rain. There was 0.7 hours of sunshine (4%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
March 13 » The Kapp Putsch briefly ousts the Weimar Republic government from Berlin.
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
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.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
November 7 » Patriarch Tikhon of Moscow issues a decree that leads to the formation of the Russian Orthodox Church Outside Russia.
Day of marriage September 21, 1944
The temperature on September 21, 1944 was between 8.1 °C and 19.8 °C and averaged 13.8 °C. There was 4.1 hours of sunshine (33%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. 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.
April 22 » The 1st Air Commando Group using Sikorsky R-4 helicopters stage the first use of helicopters in combat with combat search and rescue operations in the China Burma India Theater.
June 20 » Continuation War: The Soviet Union demands an unconditional surrender from Finland during the beginning of partially successful Vyborg-Petrozavodsk Offensive. The Finnish government refuses.
September 19 » World War II: The Moscow Armistice between Finland and the Soviet Union is signed.
October 8 » World War II: Captain Bobbie Brown earns a Medal of Honor for his actions during the Battle of Crucifix Hill, just outside Aachen.
October 12 » World War II: The Axis occupation of Athens comes to an end.
October 25 » Second World War: The USSTang under Richard O'Kane (the top American submarine ace of the war) is sunk by the ship's own malfunctioning torpedo.
Day of death December 27, 1999
The temperature on December 27, 1999 was between -0.2 °C and 7.2 °C and averaged 3.8 °C. There was 11.1 mm of rain during 4.0 hours. There was 2.4 hours of sunshine (31%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 19 » British Aerospace agrees to acquire the defence subsidiary of the General Electric Company plc, forming BAE Systems in November 1999.
January 25 » A 6.0 magnitude earthquake hits western Colombia killing at least 1,000.
April 19 » The German Bundestag returns to Berlin.
May 7 » Pope John Paul II travels to Romania, becoming the first pope to visit a predominantly Eastern Orthodox country since the Great Schism in 1054.
June 1 » American Airlines Flight 1420 slides and crashes while landing at Little Rock National Airport, killing 11 people on a flight from Dallas to Little Rock.
August 17 » The 7.6 Mw İzmit earthquake shakes northwestern Turkey with a maximum Mercalli intensity of IX (Violent), leaving 17,118–17,127 dead and 43,953–50,000 injured.
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/I187159.php : accessed October 25, 2026), "Andries Poelstra (1920-1999)".
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