The temperature on April 30, 1915 was between 4.6 °C and 17.7 °C and averaged 10.0 °C. There was 8.7 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the ??. 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 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
March 26 » The Vancouver Millionaires win the 1915 Stanley Cup Finals, the first championship played between the Pacific Coast Hockey Association and the National Hockey Association.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
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.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of death January 1, 1918
The temperature on January 1, 1918 was between -2.7 °C and -0.8 °C and averaged -1.0 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 4 » The Finnish Declaration of Independence is recognized by Russia, Sweden, Germany and France.
February 1 » Russia adopts the Gregorian calendar.
March 31 » Massacre of ethnic Azerbaijanis is committed by allied armed groups of Armenian Revolutionary Federation and Bolsheviks. Nearly 12,000 Azerbaijani Muslims are killed.
August 29 » World War I: Bapaume taken by the New Zealand Division in the Hundred Days Offensive.
September 10 » Russian Civil War: The Red Army captures Kazan.
October 26 » Erich Ludendorff, quartermaster-general of the Imperial German Army, is dismissed by Kaiser Wilhelm II for refusing to cooperate in peace negotiations.
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/I217584.php : accessed October 12, 2026), "Arend Riemersma (1915-1918)".
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