The temperature on April 6, 1912 was between 8.8 °C and 16.3 °C and averaged 11.8 °C. There was 4.5 hours of sunshine (34%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. 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.
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
May 4 » Italy occupies the Greek island of Rhodes.
November 28 » Albania declares its independence from the Ottoman Empire.
December 6 » The Nefertiti Bust is discovered.
Day of marriage May 15, 1937
The temperature on May 15, 1937 was between 10.2 °C and 16.3 °C and averaged 12.5 °C. There was 12.5 mm of rain during 9.2 hours. There was 0.7 hours of sunshine (4%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 18 » Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara.
April 1 » Aden becomes a British crown colony.
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
May 12 » The Duke and Duchess of York are crowned as King George VI and Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey.
July 29 » Tōngzhōu Incident: In Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians.
October 2 » Rafael Trujillo orders the execution of Haitians living in the northwestern region of the Dominican Republic.
Day of death May 18, 1980
The temperature on May 18, 1980 was between 10.9 °C and 23.2 °C and averaged 16.6 °C. There was -0.1 mm of rain. There was 10.3 hours of sunshine (65%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 17 » First winter ascent of Mount Everest by Krzysztof Wielicki and Leszek Cichy.
April 3 » US Congress restores a federal trust relationship with the 501 members of the Shvwits, Kanosh, Koosharem, and the Indian Peaks and Cedar City bands of the Paiute people of Utah.
July 19 » Opening of the Summer Olympics in Moscow.
September 18 » Soyuz 38 carries two cosmonauts (including one Cuban) to the Salyut 6 space station.
September 22 » Iraq invades Iran.
December 11 » The Comprehensive Environmental Response, Compensation, and Liability Act (Superfund) is enacted by the U.S. Congress.
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/I121217.php : accessed January 3, 2026), "Siebe Veenstra (1912-1980)".
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