The temperature on July 18, 1917 was between 13.9 °C and 19.4 °C and averaged 17.5 °C. There was 8.6 mm of rain. There was 0.5 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) 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.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
February 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
March 1 » The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
August 30 » Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority.
October 26 » First World War: Brazil declares war on the Central Powers.
October 31 » World War I: Battle of Beersheba: The "last successful cavalry charge in history".
Day of marriage August 19, 1940
The temperature on August 19, 1940 was between 10.5 °C and 17.5 °C and averaged 14.4 °C. There was 2.5 mm of rain during 2.6 hours. There was 1.1 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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.
January 7 » Winter War: Battle of Raate Road - The Finnish 9th Division finally defeat the numerically superior Soviet forces on the Raate-Suomussalmi road.
February 29 » Finland initiates Winter War peace negotiations.
June 14 » World War II: The German occupation of Paris begins.
June 17 » The three Baltic states of Estonia, Latvia and Lithuania fall under the occupation of the Soviet Union.
July 19 » World War II: Army order 112 forms the Intelligence Corps of the British Army.
August 18 » World War II: The Hardest Day air battle, part of the Battle of Britain. At that point, the largest aerial engagement in history with heavy losses sustained on both sides.
Day of death February 18, 1970
The average temperature on February 18, 1970 was -3.2 °C. There was 0.6 mm of rain during 0.5 hours. There was 6.1 hours of sunshine (60%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 5 » The 7.1 Mw Tonghai earthquake shakes Tonghai County, Yunnan province, China, with a maximum Mercalli intensity of X (Extreme). Between 10,000 and 15,000 people are known to have been killed and about another 26,000 are injured.
January 15 » Nigerian Civil War: Biafran rebels surrender following an unsuccessful 32-month fight for independence from Nigeria.
August 15 » Patricia Palinkas becomes the first woman to play professionally in an American football game.
September 19 » Michael Eavis hosts the first Glastonbury Festival.
October 5 » The British Trade Commissioner is kidnapped by members of the FLQ, triggering the October Crisis in Canada.
October 26 » Muhammad Ali boxes for the first time after Ali's three-year hiatus due to draft evasion.
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/I121213.php : accessed January 2, 2026), "Dirk Henstra (1917-1970)".
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