The temperature on July 13, 1917 was between 9.4 °C and 24.5 °C and averaged 18.4 °C. There was 11.5 hours of sunshine (70%). The average windspeed was 3 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 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
June 23 » In a game against the Washington Senators, Boston Red Sox pitcher Ernie Shore retires 26 batters in a row after replacing Babe Ruth, who had been ejected for punching the umpire.
July 12 » The Bisbee Deportation occurs as vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona.
September 26 » World War I: The Battle of Polygon Wood begins.
November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
Day of death June 29, 1937
The temperature on June 29, 1937 was between 11.7 °C and 17.5 °C and averaged 14.7 °C. There was 1.2 mm of rain during 0.8 hours. There was 5.2 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
August 24 » Spanish Civil War: Sovereign Council of Asturias and León is proclaimed in Gijón.
September 21 » J. R. R. Tolkien's The Hobbit is published.
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/I172484.php : accessed February 22, 2026), "Hendrik Zuidersma (1917-1937)".
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