The temperature on January 17, 1909 was between 0.4 °C and 6.3 °C and averaged 4.1 °C. There was 4.7 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
April 18 » Joan of Arc is beatified in Rome.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
Day of marriage September 20, 1940
The temperature on September 20, 1940 was between 11.2 °C and 17.3 °C and averaged 14.2 °C. There was 11.5 mm of rain during 6.2 hours. There was 5.2 hours of sunshine (42%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
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.
May 7 » World War II: The Norway Debate in the British House of Commons begins, and leads to the replacement of Prime Minister Neville Chamberlain with Winston Churchill three days later.
June 14 » World War II: The German occupation of Paris begins.
July 10 » World War II: The Vichy government is established in France.
July 19 » World War II: Battle of Cape Spada: The Royal Navy and the Regia Marina clash; the Italian light cruiser Bartolomeo Colleoni sinks, with 121 casualties.
August 26 » Chad becomes the first French colony to join the Allies under the administration of Félix Éboué, France's first black colonial governor.
November 12 » World War II: The Battle of Gabon ends as Free French Forces take Libreville, Gabon, and all of French Equatorial Africa from Vichy French forces.
Day of death March 13, 1983
The temperature on March 13, 1983 was between 0.2 °C and 13.0 °C and averaged 6.7 °C. There was 7.3 hours of sunshine (63%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
February 8 » The Melbourne dust storm hits Australia's second largest city. The result of the worst drought on record and a day of severe weather conditions, a 320 metres (1,050ft) deep dust cloud envelops the city, turning day to night.
June 18 » Space Shuttle program: STS-7, Astronaut Sally Ride becomes the first American woman in space.
September 6 » The Soviet Union admits to shooting down Korean Air Lines Flight 007, stating that its operatives did not know that it was a civilian aircraft when it reportedly violated Soviet airspace.
September 19 » Saint Kitts and Nevis gains its independence.
November 2 » U.S. President Ronald Reagan signs a bill creating Martin Luther King, Jr. Day.
December 31 » In Nigeria a coup d'état led by Major General Muhammadu Buhari ends the Second Nigerian Republic.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I3564.php : accessed February 3, 2026), "Bartus Herman de Groot (1909-1983)".
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