The temperature on September 19, 1914 was between 8.1 °C and 13.7 °C and averaged 11.2 °C. There was 8.7 mm of rain. There was 0.8 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
August 12 » World War I: The Battle of Halen a.k.a. Battle of the Silver Helmets a clash between large Belgian and German cavalry formations at Halen, Belgium.
August 20 » World War I: Brussels is captured during the German invasion of Belgium.
August 24 » World War I: German troops capture Namur.
September 11 » World War I: Australia invades German New Guinea, defeating a German contingent at the Battle of Bita Paka.
November 7 » The German colony of Kiaochow Bay and its centre at Tsingtao are captured by Japanese forces.
Day of marriage May 6, 1939
The temperature on May 6, 1939 was between 7.5 °C and 18.3 °C and averaged 12.2 °C. There was 5.4 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
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.
May 23 » The U.S. Navy submarine USS Squalus sinks off the coast of New Hampshire during a test dive, causing the death of 24 sailors and two civilian technicians. The remaining 32 sailors and one civilian naval architect are rescued the following day.
June 24 » Siam is renamed Thailand by Plaek Phibunsongkhram, the country's third prime minister.
August 31 » Nazi Germany mounts a false flag attack on the Gleiwitz radio station, creating an excuse to attack Poland the following day, thus starting World War II in Europe.
September 1 » Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Armed Forces (an event that can happen only during war or mobilization).
November 17 » Nine Czech students are executed as a response to anti-Nazi demonstrations prompted by the death of Jan Opletal. All Czech universities are shut down and more than 1,200 students sent to concentration camps. Since this event, International Students' Day is celebrated in many countries, especially in the Czech Republic.
December 2 » New York City's LaGuardia Airport opens.
Day of death October 26, 1969
The temperature on October 26, 1969 was between 6.1 °C and 15.6 °C and averaged 12.1 °C. There was 0.4 mm of rain during 1.4 hours. There was 1.8 hours of sunshine (18%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
April 5 » Vietnam War: Massive antiwar demonstrations occur in many U.S. cities.
May 21 » Civil unrest in Rosario, Argentina, known as Rosariazo, following the death of a 15-year-old student.
July 25 » Vietnam War: U.S. President Richard Nixon declares the Nixon Doctrine, stating that the United States now expects its Asian allies to take care of their own military defense. This is the start of the "Vietnamization" of the war.
September 1 » Trần Thiện Khiêm becomes Prime Minister of South Vietnam under President Nguyễn Văn Thiệu.
November 17 » Cold War: Negotiators from the Soviet Union and the United States meet in Helsinki, Finland to begin SALT I negotiations aimed at limiting the number of strategic weapons on both sides.
December 17 » Project Blue Book: The United States Air Force closes its study of UFOs.
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/I187555.php : accessed October 24, 2026), "Jan van der Heide (1914-1969)".
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