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 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
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.
October 14 » World War I: Bulgaria joins the Central Powers.
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
March 16 » Warmer-than-normal temperatures rapidly melt snow and ice on the upper Allegheny and Monongahela rivers, leading to a major flood in Pittsburgh.
April 27 » The United Auto Workers (UAW) gains autonomy from the American Federation of Labor.
May 26 » In the House of Commons of Northern Ireland, Tommy Henderson begins speaking on the Appropriation Bill. By the time he sits down in the early hours of the following morning, he had spoken for ten hours.
August 4 » Prime Minister of Greece Ioannis Metaxas suspends parliament and the Constitution and establishes the 4th of August Regime.
October 26 » The first electric generator at Hoover Dam goes into full operation.
November 12 » In California, the San Francisco–Oakland Bay Bridge opens to traffic.
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 18, 2026), "Grietje Spijkerman (1915-)".
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