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.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
March 26 » World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance.
March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
November 7 » World War I: Third Battle of Gaza ends: British forces capture Gaza from the Ottoman Empire.
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.
February 11 » Friedrich Ebert (SPD), is elected President of Germany.
March 1 » March 1st Movement begins in Korea under Japanese rule.
March 21 » The Hungarian Soviet Republic is established becoming the first Communist government to be formed in Europe after the October Revolution in Russia.
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.
December 1 » Lady Astor becomes the first female Member of Parliament to take her seat in the House of Commons of the United Kingdom. (She had been elected to that position on November 28.)
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 December 29, 2025), "Jan Halfwerk (1917-1919)".
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