The temperature on May 22, 1917 was between 10.2 °C and 24.1 °C and averaged 15.9 °C. There was 12.8 hours of sunshine (80%). The average windspeed was 4 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.
May 13 » Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal.
May 18 » World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
August 28 » Ten Suffragettes are arrested while picketing the White House.
August 30 » Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority.
Day of death April 5, 1918
The temperature on April 5, 1918 was between 7.9 °C and 13.2 °C and averaged 10.5 °C. There was 2.0 mm of rain. There was 0.4 hours of sunshine (3%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
February 5 » Stephen W. Thompson shoots down a German airplane; this is the first aerial victory by the U.S. military.
July 17 » Tsar Nicholas II of Russia and his immediate family and retainers are executed by Bolshevik Chekists at the Ipatiev House in Yekaterinburg, Russia.
September 26 » World War I: The Meuse-Argonne Offensive began which would last until the total surrender of German forces.
September 29 » The Hindenburg Line is broken by an Allied attack.
September 29 » World War I: Bulgaria signs the Armistice of Salonica.
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/I208443.php : accessed October 13, 2026), "Ietje Datema (1917-1918)".
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