The temperature on April 19, 1915 was between -0.6 °C and 13.9 °C and averaged 7.6 °C. There was 11.4 hours of sunshine (81%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
January 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
Day of marriage November 21, 1936
The temperature on November 21, 1936 was between -2.4 °C and 5.4 °C and averaged 0.3 °C. There was 6.1 hours of sunshine (71%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
April 6 » Tupelo–Gainesville tornado outbreak: Another tornado from the same storm system as the Tupelo tornado hits Gainesville, Georgia, killing 203.
April 15 » First day of the Arab revolt in Mandatory Palestine.
June 15 » First flight of the Vickers Wellington bomber.
September 6 » Spanish Civil War: The Interprovincial Council of Asturias and León is established.
October 9 » Boulder Dam (later Hoover Dam) begins to generate electricity and transmit it to Los Angeles.
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/I187671.php : accessed October 18, 2026), "Grietje Westra (1915-)".
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