The temperature on May 11, 1917 was between 6.3 °C and 24.9 °C and averaged 16.6 °C. There was 12.2 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
April 2 » World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
September 14 » The Russian Empire is formally replaced by the Russian Republic.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of death January 20, 1964
The temperature on January 20, 1964 was between -5.5 °C and 2.2 °C and averaged -1.3 °C. There was 4.2 hours of sunshine (50%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Dick Nijborg, "Groninger family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groninger/I4100.php : accessed February 27, 2026), "Berendina Groninger (1917-1964)".
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