The temperature on July 9, 1917 was between 12.3 °C and 14.7 °C and averaged 14.0 °C. There was 7.0 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
July 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
October 15 » World War I: Dutch dancer Mata Hari is executed by France for espionage.
Day of marriage May 11, 1940
The temperature on May 11, 1940 was between 5.5 °C and 14.1 °C and averaged 10.4 °C. There was 8.3 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. 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 9 » World War II: Operation Weserübung: Germany invades Denmark and Norway.
July 5 » World War II: Foreign relations of Vichy France are severed with the United Kingdom.
September 19 » World War II: Witold Pilecki is voluntarily captured and sent to Auschwitz to smuggle out information and start a resistance movement.
September 27 » World War II: The Tripartite Pact is signed in Berlin by Germany, Japan and Italy.
November 20 » World War II: Hungary becomes a signatory of the Tripartite Pact, officially joining the Axis powers.
November 27 » In Romania, the ruling Iron Guard fascist party assassinates over 60 of arrested King Carol II of Romania's aides and other political dissidents.
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/I139136.php : accessed October 5, 2026), "Trijntje Hiemstra (1917-)".
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