The temperature on June 1, 1914 was between 5.5 °C and 14.9 °C and averaged 11.0 °C. There was 6.1 mm of rain. There was 2.8 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 1 » The SPT Airboat Line becomes the world's first scheduled airline to use a winged aircraft.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
November 5 » World War I: France and the British Empire declare war on the Ottoman Empire.
December 14 » Lisandro de la Torre and others found the Democratic Progressive Party (Partido Demócrata Progresista, PDP) at the Hotel Savoy, Buenos Aires, Argentina.
December 24 » World War I: The "Christmas truce" begins.
Day of marriage December 19, 1936
The temperature on December 19, 1936 was between 3.8 °C and 10.2 °C and averaged 6.8 °C. There was 2.9 mm of rain during 3.5 hours. There was 5.1 hours of sunshine (66%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 6 » Tupelo–Gainesville tornado outbreak: Another tornado from the same storm system as the Tupelo tornado hits Gainesville, Georgia, killing 203.
July 17 » Spanish Civil War: An Armed Forces rebellion against the recently elected leftist Popular Front government of Spain starts the civil war.
August 24 » The Australian Antarctic Territory is created.
October 26 » The first electric generator at Hoover Dam goes into full operation.
December 21 » First flight of the Junkers Ju 88 multi-role combat aircraft.
December 23 » Spanish Civil War: The Spanish Republic legalizes the Regional Defence Council of Aragon.
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/I134847.php : accessed October 20, 2026), "Trijntje de Roos (1914-)".
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