The temperature on June 3, 1917 was between 7.8 °C and 18.1 °C and averaged 13.2 °C. There was 12.3 hours of sunshine (75%). 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.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
August 30 » Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority.
October 13 » The "Miracle of the Sun" is witnessed by an estimated 70,000 people in the Cova da Iria in Portugal.
November 8 » The first Council of People's Commissars is formed, including Vladimir Lenin, Leon Trotsky and Joseph Stalin.
Day of death March 18, 1918
The temperature on March 18, 1918 was between -0.6 °C and 16.4 °C and averaged 7.7 °C. There was 7.4 hours of sunshine (62%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-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 12 » The Minnie Pit Disaster coal mining accident occurs in Halmer End, Staffordshire, in which 155 men and boys die.
February 1 » Russia adopts the Gregorian calendar.
March 31 » Daylight saving time goes into effect in the United States for the first time.
June 26 » World War I: Allied forces under John J. Pershing and James Harbord defeat Imperial German forces under Wilhelm, German Crown Prince in the Battle of Belleau Wood.
August 31 » World War I: Start of the Battle of Mont Saint-Quentin, a successful assault by the Australian Corps during the Hundred Days Offensive.
November 21 » The Parliament (Qualification of Women) Act 1918 is passed, allowing women to stand for Parliament in the UK.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I485261.php : accessed February 20, 2026), "Willem Jacob Koek (1917-1918)".
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