The temperature on April 15, 1921 was between -2.4 °C and 8.8 °C and averaged 3.7 °C. There was 1.8 mm of rain. There was 5.1 hours of sunshine (37%). 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.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
October 5 » The World Series is the first to be broadcast on radio.
October 29 » The Harvard University football team loses to Centre College, ending a 25-game winning streak. This is considered one of the biggest upsets in college football.
Day of marriage August 12, 1939
The temperature on August 12, 1939 was between 8.1 °C and 21.1 °C and averaged 15.0 °C. There was 0.2 mm of rain. There was 8.4 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
February 5 » Generalísimo Francisco Franco becomes the 68th "Caudillo de España", or Leader of Spain.
February 10 » Spanish Civil War: The Nationalists conclude their conquest of Catalonia and seal the border with France.
March 15 » Germany occupies Czechoslovakia.
May 14 » Lina Medina becomes the youngest confirmed mother in medical history at the age of five.
September 17 » World War II: The Soviet invasion of Poland begins.
September 18 » World War II: The Polish government of Ignacy Mościcki flees to Romania.
Day of death January 20, 2003
The temperature on January 20, 2003 was between 5.9 °C and 8.9 °C and averaged 7.6 °C. There was 3.5 mm of rain during 6.3 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, July 22, 2002 to Tuesday, May 27, 2003 the cabinet Balkenende I, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
February 20 » During a Great White concert in West Warwick, Rhode Island, a pyrotechnics display sets the Station nightclub ablaze, killing 100 and injuring over 200 others.
March 12 » Zoran Đinđić, Prime Minister of Serbia, is assassinated in Belgrade.
March 13 » An article in Nature identifies the Ciampate del Diavolo as 350,000-year-old hominid footprints.
August 26 » A Beechcraft 1900 operating as Colgan Air Flight 9446 crashes after taking off from Barnstable Municipal Airport in Yarmouth, Massachusetts, killing both pilots on board.
October 4 » The Maxim restaurant suicide bombing Israel kills twenty-one Israelis, both Jews and Arabs.
December 17 » SpaceShipOne, piloted by Brian Binnie, makes its first powered and first supersonic flight.
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/I109966.php : accessed February 13, 2026), "Roaske Laanstra (1921-2003)".
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