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.
February 5 » The Congress of the United States passes the Immigration Act of 1917 over President Woodrow Wilson's veto.
March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
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 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
November 7 » World War I: Third Battle of Gaza ends: British forces capture Gaza from the Ottoman Empire.
December 9 » World War I: Field Marshal Allenby captures Jerusalem, Palestine.
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.
February 6 » The five-day Seattle General Strike begins, as more than 65,000 workers in the city of Seattle, Washington, walk off the job.
March 2 » The first Communist International meets in Moscow.
May 16 » A naval Curtiss NC-4 aircraft commanded by Albert Cushing Read leaves Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
September 18 » The Netherlands gives women the right to vote.
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 15, 2026), "Jan Halfwerk (1917-1919)".
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