The temperature on August 16, 1911 was between 12.1 °C and 19.3 °C and averaged 15.3 °C. There was 1.6 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
October 5 » The Kowloon–Canton Railway commences service.
Day of marriage November 21, 1939
The temperature on November 21, 1939 was between -0.3 °C and 8.0 °C and averaged 4.3 °C. There was 0.4 mm of rain during 0.3 hours. There was 0.2 hours of sunshine (2%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. 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.
May 23 » The U.S. Navy submarine USS Squalus sinks off the coast of New Hampshire during a test dive, causing the death of 24 sailors and two civilian technicians. The remaining 32 sailors and one civilian naval architect are rescued the following day.
August 25 » The United Kingdom and Poland form a military alliance in which the UK promises to defend Poland in case of invasion by a foreign power.
August 27 » First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.
September 2 » World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany.
December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.
Day of death May 16, 1987
The temperature on May 16, 1987 was between 3.6 °C and 11.7 °C and averaged 7.4 °C. There was 2.6 mm of rain during 2.6 hours. There was 3.1 hours of sunshine (20%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
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.
May 11 » Klaus Barbie goes on trial in Lyon for war crimes committed during World War II.
July 4 » In France, former Gestapo chief Klaus Barbie (a.k.a. the "Butcher of Lyon") is convicted of crimes against humanity and sentenced to life imprisonment.
August 7 » Cold War: Lynne Cox becomes the first person to swim from the United States to the Soviet Union, crossing the Bering Strait from Little Diomede Island in Alaska to Big Diomede in the Soviet Union.
November 22 » Two Chicago television stations are hijacked by an unknown pirate dressed as Max Headroom.
November 28 » South African Airways Flight 295 crashes into the Indian Ocean, killing all 159 people on board.
November 29 » North Korean agents plant a bomb on Korean Air Flight 858, which kills all 115 passengers and crew.
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/I119066.php : accessed October 24, 2026), "Wiebe Postma (1911-1987)".
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