The temperature on July 20, 1915 was between 12.4 °C and 19.2 °C and averaged 15.5 °C. There was 1.7 mm of rain. There was 2.9 hours of sunshine (18%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
March 20 » Albert Einstein publishes his general theory of relativity.
March 27 » Typhoid Mary, the first healthy carrier of disease ever identified in the United States is put in quarantine for the second time, where she would remain for the rest of her life.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
May 22 » Three trains collide in the Quintinshill rail disaster near Gretna Green, Scotland, killing 227 people and injuring 246.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
Day of marriage March 22, 1937
The temperature on March 22, 1937 was between 0.4 °C and 5.7 °C and averaged 3.0 °C. There was 11.4 mm of rain during 9.5 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
May 12 » The Duke and Duchess of York are crowned as King George VI and Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey.
May 28 » Volkswagen, the German automobile manufacturer is founded.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
September 22 » Spanish Civil War: Peña Blanca is taken, ending the Battle of El Mazuco.
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/I200252.php : accessed October 21, 2026), "Hendrik Jongsma (1915-)".
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