The temperature on March 21, 1915 was between 0.1 °C and 10.3 °C and averaged 5.6 °C. There was 0.1 mm of rain. There was 10.5 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
January 17 » Russia defeats Ottoman Turkey in the Battle of Sarikamish during the Caucasus Campaign of World War I.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P10671.php : accessed December 6, 2025), "George Whitney (1915-1972)".
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