The average temperature on February 11, 1915 was 2.8 °C. There was 3.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) 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.
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.
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.
September 5 » The pacifist Zimmerwald Conference begins.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of death May 9, 1917
The temperature on May 9, 1917 was between 5.3 °C and 17.7 °C and averaged 10.9 °C. There was 13.2 hours of sunshine (86%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
March 16 » World War I: A German auxiliary cruiser is sunk in the Action of 16 March 1917.
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
August 18 » A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless.
September 14 » The Russian Empire is formally replaced by the Russian Republic.
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
When copying data from this family tree, please include a reference to the origin: Hans van Haaften, "Family tree Gerrit van Haaften en Johanna Maria Barten", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-haaften-barten/I1668.php : accessed May 15, 2024), "Arie Piter van SON (1915-1917)".
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