The temperature on May 18, 1916 was between 5.1 °C and 21.1 °C and averaged 13.6 °C. There was 12.3 hours of sunshine (78%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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 10 » World War I: In the Erzurum Offensive, Russia defeats the Ottoman Empire.
January 12 » Both Oswald Boelcke and Max Immelmann, for achieving eight aerial victories each over Allied aircraft, receive the German Empire's highest military award, the Pour le Mérite as the first German aviators to earn it.
February 21 » World War I: In France, the Battle of Verdun begins.
March 16 » The 7th and 10th US cavalry regiments under John J. Pershing cross the US–Mexico border to join the hunt for Pancho Villa.
June 29 » British diplomat turned Irish nationalist Roger Casement is sentenced to death for his part in the Easter Rising.
June 30 » World War I: In "the day Sussex died", elements of the Royal Sussex Regiment take heavy casualties in the Battle of the Boar's Head at Richebourg-l'Avoué in France.
Day of marriage November 15, 1941
The temperature on November 15, 1941 was between -6.9 °C and -1.4 °C and averaged -4.0 °C. There was 2.9 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
January 18 » World War II: British troops launch a general counter-offensive against Italian East Africa.
March 7 » Günther Prien and the crew of German submarine U-47, one of the most successful U-boats of World War II, disappear without a trace.
May 13 » World War II: Yugoslav royal colonel Dragoljub Mihailović starts fighting against German occupation troops, beginning the Serbian resistance.
July 13 » World War II: Montenegrins begin a popular uprising against the Axis powers (Trinaestojulski ustanak).
October 31 » World War II: The destroyer USSReuben James is torpedoed by a German U-boat near Iceland, killing more than 100 U.S. Navy sailors. It is the first U.S. Navy vessel sunk by enemy action in WWII.
December 15 » The Holocaust in Ukraine: German troops murder over 15,000 Jews at Drobytsky Yar, a ravine southeast of the city of Kharkiv.
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/I336502.php : accessed February 15, 2026), "Jantje Duinkerken (1916-< 2015)".
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