The temperature on April 5, 1917 was between -3.8 °C and 7.6 °C and averaged 1.0 °C. There was 0.2 mm of rain. There was 3.1 hours of sunshine (23%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
June 11 » King Alexander assumes the throne of Greece after his father, Constantine I, abdicates under pressure from allied armies occupying Athens.
October 26 » First World War: Brazil declares war on the Central Powers.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
Day of marriage November 21, 1942
The temperature on November 21, 1942 was between 0.1 °C and 7.1 °C and averaged 3.6 °C. There was 1.6 mm of rain during 1.3 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
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.
February 1 » Voice of America, the official external radio and television service of the United States government, begins broadcasting with programs aimed at areas controlled by the Axis powers.
February 14 » Battle of Pasir Panjang contributes to the fall of Singapore.
May 4 » World War II: The Battle of the Coral Sea begins with an attack by aircraft from the United States aircraft carrier USSYorktown on Japanese naval forces at Tulagi Island in the Solomon Islands. The Japanese forces had invaded Tulagi the day before.
August 25 » World War II: Second day of the Battle of the Eastern Solomons; a Japanese naval transport convoy headed towards Guadalcanal is turned back by an Allied air attack.
September 21 » The Boeing B-29 Superfortress makes its maiden flight.
September 27 » Last day of the Matanikau action on Guadalcanal as United States Marines barely escape after being surrounded by Japanese forces.
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/I451245.php : accessed February 21, 2026), "Stoffer Vlap (1917-< 2016)".
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