The temperature on September 5, 1917 was between 9.0 °C and 21.8 °C and averaged 15.9 °C. There was 11.4 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
June 13 » World War I: The deadliest German air raid on London of the war is carried out by Gotha G.IV bombers and results in 162 deaths, including 46 children, and 432 injuries.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
November 8 » The first Council of People's Commissars is formed, including Vladimir Lenin, Leon Trotsky and Joseph Stalin.
December 11 » World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
Day of death March 12, 1919
The temperature on March 12, 1919 was between 7.1 °C and 14.6 °C and averaged 10.2 °C. There was 0.7 mm of rain. There was 1.7 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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 18 » Ignacy Jan Paderewski becomes Prime Minister of the newly independent Poland.
February 26 » President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
June 2 » Anarchists simultaneously set off bombs in eight separate U.S. cities.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
October 28 » The U.S. Congress passes the Volstead Act over President Wilson's veto, paving the way for Prohibition to begin the following January.
December 26 » Babe Ruth of the Boston Red Sox is sold to the New York Yankees by owner Harry Frazee, allegedly establishing the Curse of the Bambino superstition.
When copying data from this family tree, please include a reference to the origin: E. Hillebregt - Zuiderwijk, "Family tree Scheffer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-scheffer/I466.php : accessed October 18, 2026), "Jan Halfwerk (1917-1919)".
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