The temperature on April 17, 1915 was between 0.4 °C and 12.0 °C and averaged 7.9 °C. There was 0.1 mm of rain. There was 9.5 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
May 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
June 9 » William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMSLusitania.
Day of death May 21, 1916
The temperature on May 21, 1916 was between 8.7 °C and 24.1 °C and averaged 16.9 °C. There was 12.1 hours of sunshine (76%). The average windspeed was 2 Bft (weak wind) 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.
February 24 » The Governor-General of Korea establishes a clinic called Jahyewon in Sorokdo to segregate Hansen's disease patients.
April 25 » Anzac Day is commemorated for the first time on the first anniversary of the landing at ANZAC Cove.
June 1 » Louis Brandeis becomes the first Jew appointed to the United States Supreme Court.
July 22 » Preparedness Day Bombing: In San Francisco, a bomb explodes on Market Street during a parade, killing ten and injuring 40.
December 18 » World War I: The Battle of Verdun ends when German forces under Chief of staff Erich von Falkenhayn are defeated by the French, and suffer 337,000 casualties.
December 30 » Russian mystic and advisor to the Tsar Grigori Yefimovich Rasputin was murdered by a loyalist group led by Prince Felix Yusupov. His frozen, partially-trussed body was discovered in a Moscow river three days later.
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/I138874.php : accessed October 18, 2026), "Willem Baron (1915-1916)".
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