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.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
September 5 » The pacifist Zimmerwald Conference begins.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
Day of death April 25, 1937
The temperature on April 25, 1937 was between 3.7 °C and 8.9 °C and averaged 6.2 °C. There was 0.4 mm of rain during 1.0 hours. There was 0.1 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 19 » Howard Hughes sets a new air record by flying from Los Angeles to New York City in 7 hours, 28 minutes, 25 seconds.
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
May 26 » Walter Reuther and members of the United Auto Workers (UAW) clashed with Ford Motor Company security guards at the River Rouge Complex complex in Dearborn, Michigan, during the Battle of the Overpass.
May 27 » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
July 7 » The Marco Polo Bridge Incident provides the Imperial Japanese Army with a pretext for starting the Second Sino-Japanese War.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I4685.php : accessed February 21, 2026), "Henderieka Hillechina Westers (1891-1937)".
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