The temperature on October 11, 1915 was between 6.2 °C and 16.3 °C and averaged 11.0 °C. There was 6.8 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage June 15, 1939
The temperature on June 15, 1939 was between 8.4 °C and 21.8 °C and averaged 15.9 °C. There was 0.3 mm of rain during 0.2 hours. There was 4.3 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 15 » Carpatho-Ukraine declares itself an independent republic, but is annexed by Hungary the next day.
April 9 » African-American singer Marian Anderson gives a concert at the Lincoln Memorial after being denied the use of Constitution Hall by the Daughters of the American Revolution.
August 15 » The Wizard of Oz premieres at Grauman's Chinese Theater in Los Angeles, California.
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.
December 14 » Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.
When copying data from this family tree, please include a reference to the origin: Nico van Gogh, "Family tree Dörr", database, Genealogy Online (https://www.genealogieonline.nl/dorr-stamboom/I499.php : accessed March 10, 2026), "Clara Johanna "Claar" van der Plas (1915-)".
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