The temperature on July 20, 1914 was between 16.0 °C and 28.2 °C and averaged 22.1 °C. There was 10.9 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
August 4 » In response to the German invasion of Belgium, Belgium and the British Empire declare war on Germany. The United States declares its neutrality.
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.
October 29 » Ottoman entry into World War I.
November 2 » World War I: The Russian Empire declares war on the Ottoman Empire and the Dardanelles are subsequently closed.
December 25 » A series of unofficial truces occur across the Western Front to celebrate Christmas.
Day of marriage March 3, 1937
The temperature on March 3, 1937 was between -1.3 °C and 8.7 °C and averaged 2.9 °C. There was 9.2 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 18 » Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara.
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
August 2 » The Marihuana Tax Act of 1937 is passed in America, the effect of which is to render marijuana and all its by-products illegal.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
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/I140002.php : accessed October 15, 2026), "Martina Helena Johanna Plug (1914-)".
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