The temperature on May 10, 1917 was between 3.5 °C and 20.4 °C and averaged 13.6 °C. There was 9.8 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
March 1 » The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
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.
December 6 » Halifax Explosion: A munitions explosion near Halifax, Nova Scotia kills more than 1,900 people in the largest artificial explosion up to that time.
Day of death May 4, 1919
The temperature on May 4, 1919 was between 4.2 °C and 18.0 °C and averaged 12.2 °C. There was 8.9 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 23 » In Milan, Italy, Benito Mussolini founds his Fascist political movement.
May 4 » May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan.
May 27 » The NC-4 aircraft arrives in Lisbon after completing the first transatlantic flight.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
November 11 » The Industrial Workers of the World attack an Armistice Day parade in Centralia, Washington, ultimately resulting in the deaths of five people.
December 3 » After nearly 20 years of planning and construction, including two collapses causing 89 deaths, the Quebec Bridge opens to traffic.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I76337.php : accessed February 9, 2026), "Helena Middelkoop (1917-1919)".
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