The temperature on August 8, 1915 was between 13.1 °C and 18.2 °C and averaged 16.0 °C. There was 4.2 mm of rain. The average windspeed was 2 Bft (weak wind) 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 19 » Georges Claude patents the neon discharge tube for use in advertising.
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.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
September 5 » The pacifist Zimmerwald Conference begins.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
Day of death June 7, 1918
The temperature on June 7, 1918 was between 4.5 °C and 22.9 °C and averaged 15.4 °C. There was 9.2 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 26 » Finnish Civil War: A group of Red Guards hangs a red lantern atop the tower of Helsinki Workers' Hall to symbolically mark the start of the war.
March 21 » World War I: The first phase of the German Spring Offensive, Operation Michael, begins.
June 8 » A solar eclipse is observed at Baker City, Oregon by scientists and an artist hired by the United States Navy.
October 31 » World War I: The Aster Revolution terminates the Austro-Hungarian Compromise of 1867, and Hungary achieves full sovereignty.
November 18 » Latvia declares its independence from Russia.
December 14 » Friedrich Karl von Hessen, a German prince elected by the Parliament of Finland to become King Väinö I, renounces the Finnish throne.
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/I121555.php : accessed February 17, 2026), "Jakob Aldert Hamstra (1915-1918)".
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