The temperature on April 12, 1918 was between 6.8 °C and 10.7 °C and averaged 8.0 °C. There was 0.2 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 16 » The Council of Lithuania unanimously adopts the Act of Independence, declaring Lithuania an independent state.
February 21 » The last Carolina parakeet dies in captivity at the Cincinnati Zoo.
April 1 » The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
May 2 » General Motors acquires the Chevrolet Motor Company of Delaware.
June 24 » First airmail service in Canada from Montreal to Toronto.
October 26 » Erich Ludendorff, quartermaster-general of the Imperial German Army, is dismissed by Kaiser Wilhelm II for refusing to cooperate in peace negotiations.
Day of marriage October 7, 1936
The temperature on October 7, 1936 was between 1.5 °C and 10.7 °C and averaged 5.5 °C. There was 0.5 hours of sunshine (4%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 5 » First flight of K5054, the first prototype Supermarine Spitfire advanced monoplane fighter aircraft in the United Kingdom.
March 29 » Adolf Hitler receives 99% of the votes in the 1936 German parliamentary election and referendum.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
July 26 » Spanish Civil War: Germany and Italy decide to intervene in the war in support for Francisco Franco and the Nationalist faction.
October 1 » Spanish Civil War: Francisco Franco is named head of the Nationalist government of Spain.
November 25 » In Berlin, Germany and Japan sign the Anti-Comintern Pact, agreeing to consult on measures "to safeguard their common interests" in the case of an unprovoked attack by the Soviet Union against either nation. The pact is renewed on the same day five years later with additional signatories.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I4048.php : accessed March 8, 2026), "Wilhelmina de Bruin (1918-)".
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