The temperature on February 1, 1915 was between -1.5 °C and 5.6 °C and averaged 1.3 °C. There was 5.1 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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 is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
March 20 » Albert Einstein publishes his general theory of relativity.
June 9 » William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMSLusitania.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
Day of marriage March 9, 1938
The temperature on March 9, 1938 was between 5.1 °C and 10.2 °C and averaged 6.9 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 10 » The 1938 German parliamentary election and referendum seeks approval for a single list of Nazi candidates and the recent annexation of Austria.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
October 31 » Great Depression: In an effort to restore investor confidence, the New York Stock Exchange unveils a fifteen-point program aimed to upgrade protection for the investing public.
November 9 » The Nazi German diplomat Ernst vom Rath dies from gunshot wounds by Herschel Grynszpan, an act which the Nazis used as an excuse to instigate the 1938 national pogrom, also known as Kristallnacht.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I45010.php : accessed March 14, 2026), "Pieter Weltevreede (1915-)".
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