The temperature on May 25, 1915 was between 11.0 °C and 24.1 °C and averaged 18.0 °C. There was 14.1 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
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.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
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/I208729.php : accessed October 13, 2026), "Harmina Sikkema (1915-)".
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