The temperature on February 18, 1915 was between 4.1 °C and 8.3 °C and averaged 6.1 °C. There was 0.1 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 5 Bft (very strong 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 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
March 20 » Albert Einstein publishes his general theory of relativity.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
When copying data from this family tree, please include a reference to the origin: Auke Veenema, "Stamboom Veenema", database, Genealogy Online (https://www.genealogieonline.nl/veenema-stamboom/I5292.php : accessed June 2, 2024), "Hendrika Johanna Slotman (± 1893-????)".
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