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.
January 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
January 17 » Russia defeats Ottoman Turkey in the Battle of Sarikamish during the Caucasus Campaign of World War I.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
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.
February 9 » World War II: Top United States military leaders hold their first formal meeting to discuss American military strategy in the war.
March 3 » World War II: Ten Japanese warplanes raid Broome, Western Australia, killing more than 100 people.
March 9 » World War II: Dutch East Indies unconditionally surrendered to the Japanese forces in Kalijati, Subang, West Java, and the Japanese completed their Dutch East Indies campaign.
May 27 » World War II: In Operation Anthropoid, Reinhard Heydrich is fatally wounded in Prague; he dies of his injuries eight days later.
October 29 » The Holocaust: In the United Kingdom, leading clergymen and political figures hold a public meeting to register outrage over Nazi Germany's persecution of Jews.
November 22 » World War II: Battle of Stalingrad: General Friedrich Paulus sends Adolf Hitler a telegram saying that the German 6th Army is surrounded.
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 4, 2026), "Hendrik Jonker (1915-)".
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