The temperature on May 9, 1914 was between 5.0 °C and 12.2 °C and averaged 8.3 °C. There was 3.2 mm of rain. There was 2.1 hours of sunshine (14%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
May 29 » The Ocean liner RMSEmpress of Ireland sinks in the Gulf of Saint Lawrence with the loss of 1,012 lives.
August 3 » World War I: Germany declares war against France, while Romania declares its neutrality.
August 12 » World War I: The United Kingdom declares war on Austria-Hungary; the countries of the British Empire follow suit.
August 24 » World War I: The Battle of Cer ends as the first Allied victory in the war.
September 17 » Andrew Fisher becomes Prime Minister of Australia for the third time.
December 15 » World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
Day of marriage May 28, 1943
The temperature on May 28, 1943 was between 7.7 °C and 20.7 °C and averaged 14.8 °C. There was 8.2 hours of sunshine (50%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 23 » World War II: Troops of the British Eighth Army capture Tripoli in Libya from the German–Italian Panzer Army.
March 21 » Wehrmacht officer Rudolf von Gersdorff plots to assassinate Adolf Hitler by using a suicide bomb, but the plan falls through; von Gersdorff is able to defuse the bomb in time and avoid suspicion.
June 25 » The Holocaust: Jews in the Częstochowa Ghetto in Poland stage an uprising against the Nazis.
September 30 » The United States Merchant Marine Academy is dedicated by President Roosevelt.
October 13 » World War II: Marshal Pietro Badoglio announces that Italy has officially declared war on Germany.
December 13 » World War II: The Massacre of Kalavryta by German occupying forces in Greece.
Day of death December 20, 1999
The temperature on December 20, 1999 was between -3.1 °C and 4.9 °C and averaged 1.2 °C. There was -0.1 mm of rain. There was 2.6 hours of sunshine (34%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 4 » Former professional wrestler Jesse Ventura is sworn in as governor of Minnesota, United States.
March 27 » Kosovo War: An American Lockheed F-117A Nighthawk is shot down by a Yugoslav SAM, the first and only Nighthawk to be lost in combat.
April 5 » Two Libyans suspected of bringing down Pan Am Flight 103 in 1988 are handed over for eventual trial in the Netherlands.
June 10 » Kosovo War: NATO suspends its airstrikes after Slobodan Milošević agrees to withdraw Serbian forces from Kosovo.
October 29 » A large cyclone devastates Odisha, India.
December 21 » The Spanish Civil Guard intercepts a van loaded with 950kg of explosives that ETA intended to use to blow up Torre Picasso in Madrid, Spain.
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/I142228.php : accessed December 30, 2025), "Derk Postmus (1914-1999)".
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