The temperature on July 29, 1920 was between 9.2 °C and 18.4 °C and averaged 14.0 °C. There was 2.9 mm of rain. There was 4.5 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) 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.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
July 20 » The Greek Army takes control of Silivri after Greece is awarded the city by the Paris Peace Conference; by 1923 Greece effectively lost control to the Turks.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
Day of marriage September 13, 1947
The temperature on September 13, 1947 was between 13.0 °C and 26.5 °C and averaged 18.6 °C. There was 10.8 mm of rain during 2.9 hours. There was 7.5 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 18 » First Indochina War: The French gain complete control of Hanoi after forcing the Viet Minh to withdraw to mountains.
March 29 » Malagasy Uprising against French colonial rule in Madagascar.
April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
August 4 » The Supreme Court of Japan is established.
November 30 » Civil War in Mandatory Palestine begins, leading up to the creation of the state of Israel.
December 6 » The Everglades National Park in Florida is dedicated.
Day of death January 28, 1986
The temperature on January 28, 1986 was between -1.4 °C and 4.3 °C and averaged 1.6 °C. There was 2.0 mm of rain during 2.8 hours. There was 4.8 hours of sunshine (54%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 19 » The first IBM PC computer virus is released into the wild. A boot sector virus dubbed (c)Brain, it was created by the Farooq Alvi Brothers in Lahore, Pakistan, reportedly to deter unauthorized copying of the software they had written.
February 7 » Twenty-eight years of one-family rule end in Haiti, when President Jean-Claude Duvalier flees the Caribbean nation.
February 19 » Akkaraipattu massacre: the Sri Lankan Army massacres 80 Tamil farm workers in eastern Sri Lanka.
April 5 » Three people are killed in the bombing of the La Belle discotheque in West Berlin, Germany.
April 14 » The heaviest hailstones ever recorded (1 kilogram (2.2lb)) fall on the Gopalganj district of Bangladesh, killing 92.
September 7 » Desmond Tutu becomes the first black man to lead the Anglican Diocese of Cape Town.
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/I186624.php : accessed October 24, 2026), "Johannes Poelstra (1920-1986)".
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