The temperature on December 19, 1917 was between -9.7 °C and -1.1 °C and averaged -6.2 °C. There was 5.9 hours of sunshine (76%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. 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 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
June 11 » King Alexander assumes the throne of Greece after his father, Constantine I, abdicates under pressure from allied armies occupying Athens.
August 18 » A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless.
August 28 » Ten Suffragettes are arrested while picketing the White House.
October 31 » World War I: Battle of Beersheba: The "last successful cavalry charge in history".
Day of marriage November 12, 1947
The temperature on November 12, 1947 was between 11.6 °C and 13.6 °C and averaged 12.6 °C. There was 16.7 mm of rain during 9.2 hours. The average windspeed was 6 Bft (strong wind) and was prevailing from the west-southwest. Source: KNMI
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/I129807.php : accessed March 1, 2026), "Aaldert Mannak (1917-1992)".
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