The temperature on September 27, 1939 was between 2.2 °C and 13.0 °C and averaged 7.4 °C. There was 9.9 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
March 30 » The Heinkel He 100 fighter sets a world airspeed record of 463mph (745km/h).
June 1 » First flight of the German Focke-Wulf Fw 190 fighter aircraft.
August 15 » Twenty-six Junkers Ju 87 bombers commanded by Walter Sigel meet unexpected ground fog during a dive-bombing demonstration for Luftwaffe generals at Neuhammer. Thirteen of them crash and burn.
October 14 » World War II: The German submarineU-47 sinks the British battleship HMSRoyal Oak within her harbour at Scapa Flow, Scotland.
December 18 » World War II: The Battle of the Heligoland Bight, the first major air battle of the war, takes place.
Day of death April 19, 2000
The temperature on April 19, 2000 was between 5.2 °C and 18.0 °C and averaged 11.9 °C. There was -0.1 mm of rain. There was 7.7 hours of sunshine (55%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 14 » A United Nations tribunal sentences five Roman Catholic Bosnian Croats to up to 25 years in prison for the 1993 killing of more than 100 Bosnian Muslims.
February 4 » The World Summit Against Cancer for the New Millennium, Charter of Paris is signed by the President of France, Jacques Chirac and the Director General of UNESCO, Koichiro Matsuura, initiating World Cancer Day which is held on February 4 every year.
May 2 » President Bill Clinton announces that accurate GPS access would no longer be restricted to the United States military.
September 15 » The Summer Olympics, officially known as the games of the XXVII Olympiad, are opened in Sydney, Australia.
November 7 » The U.S. Drug Enforcement Administration discovers one of the country's largest LSD labs inside a converted military missile silo in Wamego, Kansas.
November 26 » George W. Bush is certified the winner of Florida's electoral votes by Katherine Harris, going on to win the United States presidential election, despite losing in the national popular vote.
When copying data from this family tree, please include a reference to the origin: Dirk Zwinderman, "Family tree Zwinderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zwinderman/I5582.php : accessed February 18, 2026), "Jan Zwinderman (1939-2000)".
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