The temperature on August 16, 1912 was between 12.3 °C and 17.5 °C and averaged 14.4 °C. There was 0.7 mm of rain. There was 1.4 hours of sunshine (10%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
April 15 » The British passenger liner RMSTitanic sinks in the North Atlantic at 2:20a.m., two hours and forty minutes after hitting an iceberg. Only 710 of 2,227 passengers and crew on board survive.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
November 5 » Woodrow Wilson is elected the 28th President of the United States, defeating incumbent William Howard Taft.
Day of marriage November 15, 1937
The temperature on November 15, 1937 was between -0.7 °C and 9.8 °C and averaged 4.6 °C. There was 1.9 mm of rain during 1.8 hours. There was 2.7 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
June 30 » The world's first emergency telephone number, 999, is introduced in London.
July 8 » Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad.
July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I71019.php : accessed February 7, 2026), "Zwaantje Pomp (1912-)".
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