The temperature on April 3, 1918 was between 2.6 °C and 12.5 °C and averaged 7.8 °C. There was 1.1 mm of rain. There was 6.1 hours of sunshine (47%). 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.
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 29 » Ukrainian–Soviet War: An armed uprising organized by the Bolsheviks in anticipation of the encroaching Red Army begins at the Kiev Arsenal, which will be put down six days later.
January 31 » A series of accidental collisions on a misty Scottish night leads to the loss of two Royal Navy submarines with over a hundred lives, and damage to another five British warships.
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.
June 1 » World War I: Western Front: Battle of Belleau Wood: Allied Forces under John J. Pershing and James Harbord engage Imperial German Forces under Wilhelm, German Crown Prince.
July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
October 31 » World War I: The Aster Revolution terminates the Austro-Hungarian Compromise of 1867, and Hungary achieves full sovereignty.
Day of marriage February 17, 1940
The temperature on February 17, 1940 was between -5.9 °C and -1.1 °C and averaged -3.4 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 14 » World War II: Royal Marines land in Namsos, Norway in preparation for a larger force to arrive two days later.
May 7 » World War II: The Norway Debate in the British House of Commons begins, and leads to the replacement of Prime Minister Neville Chamberlain with Winston Churchill three days later.
June 3 » World War II: The Luftwaffe bombs Paris.
July 5 » World War II: Foreign relations of Vichy France are severed with the United Kingdom.
August 20 » World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few".
November 8 » Greco-Italian War: The Italian invasion of Greece fails as outnumbered Greek units repulse the Italians in the Battle of Elaia–Kalamas.
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/I142162.php : accessed October 20, 2026), "Pieter van der Haak (1918-)".
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