The temperature on May 29, 1917 was between 9.5 °C and 15.6 °C and averaged 13.3 °C. There was 1.7 hours of sunshine (10%). 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.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
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 25 » Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
Day of marriage September 12, 1953
The temperature on September 12, 1953 was between 9.6 °C and 17.1 °C and averaged 14.1 °C. There was 0.2 mm of rain during 0.1 hours. There was 5.8 hours of sunshine (45%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 20 » Dwight D. Eisenhower is inaugurated as the 34th President of the United States of America.
February 19 » Book censorship in the United States: The Georgia Literature Commission is established.
April 13 » CIA director Allen Dulles launches the mind-control program Project MKUltra.
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
August 12 » The 7.2 Ms Ionian earthquake shakes the southern Ionian Islands with a maximum Mercalli intensity of X (Extreme). Between 445 and 800 people are killed.
December 6 » Vladimir Nabokov completes his controversial novel Lolita.
Day of death November 22, 1963
The temperature on November 22, 1963 was between 5.9 °C and 12.5 °C and averaged 9.5 °C. There was 0.3 mm of rain during 0.3 hours. There was 4.1 hours of sunshine (48%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 2 » Vietnam War: The Viet Cong wins its first major victory, at the Battle of Ap Bac.
March 8 » The Ba'ath Party comes to power in Syria in a coup d'état by a clique of quasi-leftist Syrian Army officers calling themselves the National Council of the Revolutionary Command.
June 16 » Soviet Space Program: Vostok 6 mission: Cosmonaut Valentina Tereshkova becomes the first woman in space.
June 17 » The United States Supreme Court rules 8–1 in Abington School District v. Schempp against requiring the reciting of Bible verses and the Lord's Prayer in public schools.
November 1 » The Arecibo Observatory in Arecibo, Puerto Rico, with the largest radio telescope ever constructed, officially opens.
November 23 » The BBC broadcasts An Unearthly Child (starring William Hartnell), the first episode of the first story from the first series of Doctor Who, which is now the world's longest running science fiction drama.
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/P17976.php : accessed January 6, 2026), "John Fitzgerald Kennedy (1917-1963)".
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