The temperature on October 29, 1915 was between 3.7 °C and 6.5 °C and averaged 5.1 °C. There was 2.3 mm of rain. The average windspeed was 4 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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
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.
May 6 » Babe Ruth, then a pitcher for the Boston Red Sox, hits his first major league home run.
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 May 26, 1937
The temperature on May 26, 1937 was between 13.8 °C and 28.8 °C and averaged 21.6 °C. There was 12.3 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
February 21 » The League of Nations bans foreign national "volunteers" in the Spanish Civil War.
March 2 » The Steel Workers Organizing Committee signs a collective bargaining agreement with U.S. Steel, leading to unionization of the United States steel industry.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
July 7 » The Marco Polo Bridge Incident provides the Imperial Japanese Army with a pretext for starting the Second Sino-Japanese War.
August 28 » Toyota Motors becomes an independent company.
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/I123472.php : accessed February 12, 2026), "Romkje Groothof (1915-)".
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