The temperature on July 14, 1915 was between 11.8 °C and 19.4 °C and averaged 15.2 °C. There was 2.5 mm of rain. There was 6.9 hours of sunshine (42%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
June 9 » William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMSLusitania.
July 5 » The Liberty Bell leaves Philadelphia by special train on its way to the Panama–Pacific International Exposition. This is the last trip outside Philadelphia that the custodians of the bell intend to permit.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage October 7, 1942
The temperature on October 7, 1942 was between 9.6 °C and 21.1 °C and averaged 14.6 °C. There was 1.3 mm of rain during 1.7 hours. There was 4.6 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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 20 » World War II: At the Wannsee Conference held in the Berlin suburb of Wannsee, senior Nazi German officials discuss the implementation of the "Final Solution to the Jewish question".
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.
June 22 » The Pledge of Allegiance is formally adopted by US Congress.
September 5 » World War II: Japanese high command orders withdrawal at Milne Bay, the first major Japanese defeat in land warfare during the Pacific War.
November 15 » World War II: The Battle of Guadalcanal ends in a decisive Allied victory.
November 26 » Casablanca, the movie starring Humphrey Bogart and Ingrid Bergman, premieres in New York City.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I21792.php : accessed February 6, 2026), "Hendrik Jonker (1915-)".
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