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
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
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.
January 26 » Spanish Civil War: Catalonia Offensive: Troops loyal to nationalist General Francisco Franco and aided by Italy take Barcelona.
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.
September 6 » World War II: South Africa declares war on Nazi Germany.
September 18 » World War II: The Polish government of Ignacy Mościcki flees to Romania.
September 18 » World War II: The radio show Germany Calling begins transmitting Nazi propaganda.
September 28 » World War II: Nazi Germany and the Soviet Union agree on a division of Poland.
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.
April 11 » The London Agreement is secretly signed between Israeli Foreign Affairs Minister Shimon Peres and King Hussein of Jordan.
May 8 » The SAS kills eight Provisional Irish Republican Army volunteers and a civilian during an ambush in Loughgall, Northern Ireland.
July 5 » Sri Lankan Civil War: The LTTE uses suicide attacks on the Sri Lankan Army for the first time. The Black Tigers are born and, in the following years, will continue to kill with the tactic.
August 16 » Northwest Airlines Flight 255, a McDonnell Douglas MD-82, crashes after takeoff in Detroit, Michigan, killing 154 of the 155 on board, plus two people on the ground.
October 11 » Start of Operation Pawan by Indian forces in Sri Lanka. Thousands of civilians, insurgents, soldiers die.
December 9 » Israeli–Palestinian conflict: The First Intifada begins in the Gaza Strip and West Bank.
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 December 31, 2025), "Wiebe Postma (1911-1987)".
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