The temperature on April 21, 1915 was between 1.3 °C and 11.4 °C and averaged 6.9 °C. There was 7.3 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 20 » Albert Einstein publishes his general theory of relativity.
May 6 » Babe Ruth, then a pitcher for the Boston Red Sox, hits his first major league home run.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
Day of death August 31, 1915
The temperature on August 31, 1915 was between 7.2 °C and 17.6 °C and averaged 12.2 °C. There was 6.3 mm of rain. There was 7.8 hours of sunshine (57%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
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 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
September 25 » World War I: The Second Battle of Champagne begins.
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/I120768.php : accessed October 25, 2026), "Hendrik Boomsma (1915-1915)".
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