The temperature on March 14, 1914 was between 8.3 °C and 11.6 °C and averaged 9.7 °C. There was 2.5 mm of rain. There was 0.6 hours of sunshine (5%). The average windspeed was 5 Bft (very strong wind) 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.
April 20 » Nineteen men, women, and children die in the Ludlow Massacre during a Colorado coal-miners' strike.
April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
August 15 » World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia.
November 2 » World War I: The Russian Empire declares war on the Ottoman Empire and the Dardanelles are subsequently closed.
December 15 » A gas explosion at Mitsubishi Hōjō coal mine, in Kyushu, Japan, kills 687.
December 23 » World War I: Australian and New Zealand troops arrive in Cairo, Egypt.
Day of marriage August 30, 1939
The temperature on August 30, 1939 was between 12.2 °C and 23.8 °C and averaged 17.4 °C. There was 0.1 mm of rain. There was 8.8 hours of sunshine (64%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
January 27 » First flight of the Lockheed P-38 Lightning.
March 15 » Carpatho-Ukraine declares itself an independent republic, but is annexed by Hungary the next day.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
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.
December 14 » Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.
December 24 » World War II: Pope Pius XII makes a Christmas Eve appeal for peace.
When copying data from this family tree, please include a reference to the origin: Jos Simons, "Family tree Simons", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-simons/I445.php : accessed December 27, 2025), "Jannetje Heyblom (1914-)".
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