The temperature on June 17, 1943 was between 6.1 °C and 18.5 °C and averaged 12.4 °C. There was 1.8 mm of rain during 1.2 hours. There was 10.5 hours of sunshine (63%). 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.
January 14 » World War II: Franklin D. Roosevelt and Winston Churchill begin the Casablanca Conference to discuss strategy and study the next phase of the war.
July 23 » World War II: The British destroyers HMSEclipse and HMSLaforey sink the Italian submarineAscianghi in the Mediterranean after she torpedoes the cruiser HMSNewfoundland.
October 6 » World War II: Thirteen civilians are burnt alive by a paramilitary group in Crete.
October 19 » The cargo vessel Sinfra is attacked by Allied aircraft at Crete and sunk. 2,098 Italian prisoners of war drown with it.
November 15 » The Holocaust: German SS leader Heinrich Himmler orders that Gypsies are to be put "on the same level as Jews and placed in concentration camps".
December 13 » World War II: The Massacre of Kalavryta by German occupying forces in Greece.
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/I53237.php : accessed February 18, 2026), "Jan Julsing (± 1907-)".
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