The temperature on December 23, 1915 was between 1.2 °C and 7.5 °C and averaged 5.2 °C. There was 4.7 mm of rain. There was 1.3 hours of sunshine (17%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
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.
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.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
September 5 » The pacifist Zimmerwald Conference begins.
When copying data from this family tree, please include a reference to the origin: Marjo van Leeuwen, "Family tree Van Leeuwen-Van der Speck en vele anderen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-leeuwen-van-der-speck/R882.php : accessed May 10, 2025), "Sijgje Bisschop (1894-????)".
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