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.
February 6 » British women over the age of 30 who meet minimum property qualifications, get the right to vote when Representation of the People Act 1918 is passed by Parliament.
March 31 » Daylight saving time goes into effect in the United States for the first time.
May 9 » World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium.
June 24 » First airmail service in Canada from Montreal to Toronto.
September 15 » World War I: Allied troops break through the Bulgarian defenses on the Macedonian front.
September 26 » World War I: The Meuse-Argonne Offensive began which would last until the total surrender of German forces.
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.
May 14 » World War II: Rotterdam, Netherlands is bombed by the Luftwaffe of Nazi Germany despite a ceasefire, killing about 900 people and destroying the historic city center.
May 24 » Igor Sikorsky performs the first successful single-rotor helicopter flight.
June 14 » World War II: The German occupation of Paris begins.
July 11 » World War II: Vichy France regime is formally established. Philippe Pétain becomes Chief of the French State.
July 19 » World War II: Battle of Cape Spada: The Royal Navy and the Regia Marina clash; the Italian light cruiser Bartolomeo Colleoni sinks, with 121 casualties.
July 20 » California opens its first freeway, the Arroyo Seco Parkway.
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 13, 2026), "Pieter van der Haak (1918-)".
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