The temperature on May 20, 1915 was between 9.7 °C and 16.5 °C and averaged 13.0 °C. There was 1.5 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
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 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
March 26 » The Vancouver Millionaires win the 1915 Stanley Cup Finals, the first championship played between the Pacific Coast Hockey Association and the National Hockey Association.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
Day of marriage September 30, 1936
The temperature on September 30, 1936 was between 1.2 °C and 15.3 °C and averaged 9.3 °C. There was 0.2 mm of rain. There was 1.7 hours of sunshine (14%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 15 » The first building to be completely covered in glass, built for the Owens-Illinois Glass Company, is completed in Toledo, Ohio.
March 8 » Daytona Beach and Road Course holds its first oval stock car race.
July 21 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia is constituted, establishing an anarcho-syndicalist economy in Catalonia.
August 24 » The Australian Antarctic Territory is created.
August 30 » The RMS Queen Mary wins the Blue Riband by setting the fastest transatlantic crossing.
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 Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I187679.php : accessed October 21, 2026), "Grietje Spijkerman (1915-)".
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