The temperature on September 21, 1912 was between 2.5 °C and 15.1 °C and averaged 9.0 °C. There was 9.5 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
May 13 » The Royal Flying Corps, the forerunner of the Royal Air Force, is established in the United Kingdom.
September 28 » Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of marriage March 30, 1944
The temperature on March 30, 1944 was between -2.7 °C and 9.4 °C and averaged 2.6 °C. There was 8.6 hours of sunshine (67%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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 29 » World War II: Approximately 38 people are killed and about a dozen injured when the Polish village of Koniuchy (present-day Kaniūkai, Lithuania) is attacked by Soviet partisan units.
April 25 » The United Negro College Fund is incorporated.
June 11 » USSMissouri, the last battleship built by the United States Navy and future site of the signing of the Japanese Instrument of Surrender, is commissioned.
August 23 » World War II: Marseille is liberated by the Allies.
September 12 » World War II: The liberation of Yugoslavia from Axis occupation continues. Bajina Bašta in western Serbia is among the liberated cities.
September 17 » World War II: Allied airborne troops parachute into the Netherlands as the "Market" half of Operation Market Garden.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I140568.php : accessed October 25, 2026), "Halbe de Jong (1912-)".
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