The temperature on August 10, 1917 was between 11.6 °C and 18.6 °C and averaged 15.1 °C. There was 1.9 mm of rain. There was 3.6 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
May 13 » Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal.
July 25 » Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
December 6 » Halifax Explosion: A munitions explosion near Halifax, Nova Scotia kills more than 1,900 people in the largest artificial explosion up to that time.
Day of death July 22, 1918
The temperature on July 22, 1918 was between 12.9 °C and 20.3 °C and averaged 16.4 °C. There was 4.4 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
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 28 » Finnish Civil War: The Red Guard rebels seize control of the capital, Helsinki; members of the Senate of Finland go underground.
March 3 » Russia signs the Treaty of Brest-Litovsk, agreeing to withdraw from World War I, and conceding German control of the Baltic States, Belarus and Ukraine. It also conceded Turkish control of Ardahan, Kars and Batumi.
May 9 » World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium.
July 12 » The Imperial Japanese Navy battleship Kawachi blows up at Shunan, western Honshu, Japan, killing at least 621.
August 11 » World War I: The Battle of Amiens ends.
November 7 » Kurt Eisner overthrows the Wittelsbach dynasty in the Kingdom of Bavaria.
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/I121571.php : accessed October 24, 2026), "Jacobus Ytsma (1917-1918)".
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