The temperature on September 29, 1916 was between 9.5 °C and 17.9 °C and averaged 13.3 °C. There was 1.9 hours of sunshine (16%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. 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.
May 16 » The United Kingdom of Great Britain and Ireland and the French Third Republic sign the secret wartime Sykes-Picot Agreement partitioning former Ottoman territories such as Iraq and Syria.
September 11 » The Quebec Bridge's central span collapses, killing 11 men. The bridge previously collapsed completely on August 29, 1907.
September 17 » World War I: Manfred von Richthofen ("The Red Baron"), a flying ace of the German Luftstreitkräfte, wins his first aerial combat near Cambrai, France.
October 16 » Margaret Sanger opens the first family planning clinic in the United States.
November 5 » The Everett massacre takes place in Everett, Washington as political differences lead to a shoot-out between the Industrial Workers of the World organizers and local police.
November 30 » Costa Rica signs the Buenos Aires Convention, a copyright treaty.
Day of marriage November 14, 1947
The temperature on November 14, 1947 was between 3.3 °C and 9.0 °C and averaged 6.6 °C. There was 22.0 mm of rain during 7.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 15 » The Black Dahlia murder: the dismembered corpse of Elizabeth Short was found in Los Angeles.
February 18 » First Indochina War: The French gain complete control of Hanoi after forcing the Viet Minh to withdraw to mountains.
May 3 » New post-war Japanese constitution goes into effect.
August 14 » Pakistan gains Independence from the British Empire and joins the Commonwealth of Nations.
October 16 » The Philippines takes over the administration of the Turtle Islands and the Mangsee Islands from the United Kingdom.
November 20 » The Princess Elizabeth marries Lieutenant Philip Mountbatten, who becomes the Duke of Edinburgh, at Westminster Abbey in London.
Day of death August 24, 1970
The temperature on August 24, 1970 was between 12.7 °C and 23.4 °C and averaged 17.7 °C. There was 0.2 mm of rain. There was 10.8 hours of sunshine (76%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
April 8 » Bahr El-Baqar primary school bombing: Israeli bombers strike an Egyptian school. Forty-six children are killed.
August 29 » Chicano Moratorium against the Vietnam War, East Los Angeles, California. Police riot kills three people, including journalist Rubén Salazar.
September 4 » Salvador Allende is elected President of Chile.
September 28 » Egyptian President Gamal Abdel Nasser dies of a heart attack in Cairo.
October 2 » An aircraft carrying the Wichita State University football team, administrators, and supporters crashes in Colorado, killing 31 people.
November 1 » Club Cinq-Sept fire in Saint-Laurent-du-Pont, France kills 146 young people.
When copying data from this family tree, please include a reference to the origin: Ronald van 't Hoff, "Family tree Van 't Hoff - Zondag - Bosch - de Zwaan - vd Kolk - Westhuis - Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-t-hoff/I6507.php : accessed February 27, 2026), "Willemtje de Zwaan (1916-1970)".
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