The temperature on October 11, 1929 was between 8.2 °C and 16.4 °C and averaged 12.3 °C. There was 4.7 mm of rain. There was 1.1 hours of sunshine (10%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
June 1 » The 1st Conference of the Communist Parties of Latin America is held in Buenos Aires.
June 7 » The Lateran Treaty is ratified, bringing Vatican City into existence.
June 8 » Margaret Bondfield is appointed Minister of Labour. She is the first woman appointed to the Cabinet of the United Kingdom.
November 3 » The Gwangju Student Independence Movement occurred.
December 3 » President Herbert Hoover delivers his first State of the Union message to Congress. It was presented in the form of a written message rather than a speech.
December 19 » The Indian National Congress promulgates the Purna Swaraj (the Declaration of the Independence of India).
Day of marriage August 18, 1956
The temperature on August 18, 1956 was between 13.1 °C and 20.6 °C and averaged 16.7 °C. There was 8.2 mm of rain during 2.6 hours. There was 4.6 hours of sunshine (32%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 8 » Operation Auca: Five U.S. missionaries are killed by the Huaorani of Ecuador shortly after making contact with them.
March 1 » The International Air Transport Association finalizes a draft of the Radiotelephony spelling alphabet for the International Civil Aviation Organization.
July 13 » The Dartmouth workshop is the first conference on artificial intelligence.
July 26 » Following the World Bank's refusal to fund building the Aswan Dam, Egyptian leader Gamal Abdel Nasser nationalizes the Suez Canal, sparking international condemnation.
September 13 » The dike around the Dutch polder East Flevoland is closed.
November 7 » Hungarian Revolution: János Kádár returns to Budapest in a Soviet armored convoy, officially taking office as the next Hungarian leader. By this point, most armed resistance has been defeated.
When copying data from this family tree, please include a reference to the origin: Wim Ackermans, "Family tree Ackermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackermans/I4122.php : accessed February 15, 2026), "Helena Margaretha "Lassie" Hoorn (1929-2021)".
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