The temperature on January 14, 1912 was between -1.4 °C and 4.2 °C and averaged 1.9 °C. There was 5.7 hours of sunshine (70%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 3 » U.S. forces defeat Nicaraguan rebels at the Battle of Coyotepe Hill.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of marriage August 27, 1938
The temperature on August 27, 1938 was between 10.7 °C and 20.8 °C and averaged 14.6 °C. There was 2.6 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
June 23 » The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
July 31 » Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia).
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
Day of death February 13, 1940
The temperature on February 13, 1940 was between -16.5 °C and -7.3 °C and averaged -11.9 °C. There was 2.0 mm of rain during 4.1 hours. There was 3.4 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
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.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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/I122438.php : accessed February 20, 2026), "Trijntje Zijlstra (1912-1940)".
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