The temperature on December 10, 1917 was between -0.2 °C and 7.9 °C and averaged 3.3 °C. There was 3.3 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. 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.
February 5 » The Congress of the United States passes the Immigration Act of 1917 over President Woodrow Wilson's veto.
June 13 » World War I: The deadliest German air raid on London of the war is carried out by Gotha G.IV bombers and results in 162 deaths, including 46 children, and 432 injuries.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
September 14 » The Russian Empire is formally replaced by the Russian Republic.
November 5 » October Revolution: Lenin calls for the October Revolution.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
Day of marriage May 6, 1944
The temperature on May 6, 1944 was between 1.5 °C and 10.1 °C and averaged 6.9 °C. There was 2.9 mm of rain during 2.9 hours. There was 5.3 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 23 » The Soviet Union begins the forced deportation of the Chechen and Ingush people from the North Caucasus to Central Asia.
April 16 » World War II: Allied forces start bombing Belgrade, killing about 1,100 people. This bombing fell on the Orthodox Christian Easter.
July 25 » World War II: Operation Spring is one of the bloodiest days for the First Canadian Army during the war.
August 16 » First flight of a jet with forward-swept wings, the Junkers Ju 287.
September 17 » World War II: Soviet troops launch the Tallinn Offensive against Germany and pro-independence Estonian units.
October 29 » World War II: The Soviet Red Army enters Hungary.
Day of death September 9, 1944
The temperature on September 9, 1944 was between 5.8 °C and 14.8 °C and averaged 9.9 °C. There was 8.0 mm of rain during 3.5 hours. There was 4.6 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 22 » World War II: American aircraft mistakenly bomb the Dutch towns of Nijmegen, Arnhem, Enschede and Deventer, resulting in 800 dead in Nijmegen alone.
April 24 » World War II: The SBS launches a raid against the garrison of Santorini in Greece.
June 4 » World War II: A hunter-killer group of the United States Navy captures the German submarine U-505: The first time a U.S. Navy vessel had captured an enemy vessel at sea since the 19th century.
July 21 » World War II: Claus von Stauffenberg and four fellow conspirators are executed for the July 20 plot to assassinate Adolf Hitler.
October 20 » World War II: The Soviet Army and Yugoslav Partisans liberate Belgrade.
November 29 » World War II: Albania is liberated by the Partisans.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P18293.php : accessed February 22, 2026), "William John Robert Cavendish (1917-1944)".
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