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.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 4 » Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives.
May 13 » Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal.
May 26 » Several powerful tornadoes rip through Illinois, including the city of Mattoon.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
December 11 » World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
Day of marriage June 10, 1941
The temperature on June 10, 1941 was between 13.7 °C and 22.5 °C and averaged 17.4 °C. There was 8.0 mm of rain during 1.1 hours. There was 1.4 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 12 » Konrad Zuse presents the Z3, the world's first working programmable, fully automatic computer, in Berlin.
June 1 » World War II: The Battle of Crete ends as Crete capitulates to Germany.
June 23 » The Lithuanian Activist Front declares independence from the Soviet Union and forms the Provisional Government of Lithuania; it lasts only briefly as the Nazis will occupy Lithuania a few weeks later.
July 4 » World War II: The Burning of the Riga synagogues: The Great Choral Synagogue in German occupied Riga is burnt with 300 Jews locked in the basement.
October 31 » After 14 years of work, Mount Rushmore is completed.
December 5 » World War II: Great Britain declares war on Finland, Hungary and Romania.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I439663.php : accessed February 23, 2026), "Jakob Vermeulen (1917-< 2016)".
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