The temperature on May 27, 1915 was between 8.9 °C and 15.4 °C and averaged 12.0 °C. There was 8.9 hours of sunshine (55%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
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.
September 25 » World War I: The Second Battle of Champagne begins.
Day of death November 11, 1957
The temperature on November 11, 1957 was between 7.2 °C and 11.7 °C and averaged 10.0 °C. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 14 » Kripalu Maharaj was named fifth Jagadguru (world teacher) after giving seven days of speeches before 500 Hindu scholars.
January 31 » Eight people (5 total crew from 2 aircraft and 3 on the ground) in Pacoima, California are killed following the mid-air collision between a Douglas DC-7 airliner and a Northrop F-89 Scorpion fighter jet.
March 25 » United States Customs seizes copies of Allen Ginsberg's poem "Howl" on obscenity grounds.
April 11 » United Kingdom agrees to Singaporean self-rule.
June 10 » John Diefenbaker leads the Progressive Conservative Party of Canada to a stunning upset in the 1957 Canadian federal election, ending 22 years of Liberal Party government.
September 22 » In Haiti, François Duvalier is elected president.
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/I101670.php : accessed October 23, 2026), "Nanko Geert Koops (1915-1957)".
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