February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
October 6 » The High Court of Australia sits for the first time.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
Day of marriage July 29, 1929
The temperature on July 29, 1929 was between 11.9 °C and 18.6 °C and averaged 15.1 °C. There was 11.0 mm of rain. There was 0.3 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
January 6 » King Alexander of the Serbs, Croats and Slovenes suspends his country's constitution (the January 6th Dictatorship).
May 16 » In Hollywood, the first Academy Awards ceremony takes place.
June 17 » The town of Murchison, New Zealand Is rocked by a 7.8 magnitude earthquake killing 17. At the time it was New Zealand's worst natural disaster.
July 24 » The Kellogg–Briand Pact, renouncing war as an instrument of foreign policy, goes into effect (it is first signed in Paris on August 27, 1928, by most leading world powers).
October 29 » The New York Stock Exchange crashes in what will be called the Crash of '29 or "Black Tuesday", ending the Great Bull Market of the 1920s and beginning the Great Depression.
November 18 » Grand Banks earthquake: Off the south coast of Newfoundland in the Atlantic Ocean, a Richter magnitude 7.2 submarine earthquake, centered on the Grand Banks, breaks 12 submarine transatlantic telegraph cables and triggers a tsunami that destroys many south coast communities in the Burin Peninsula.
Day of death August 26, 1964
The temperature on August 26, 1964 was between 15.2 °C and 31.1 °C and averaged 22.2 °C. There was 12.8 hours of sunshine (91%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
April 4 » The Beatles occupy the top five positions on the Billboard Hot 100 pop chart.
May 29 » The Arab League meets in East Jerusalem to discuss the Palestinian question, leading to the formation of the Palestine Liberation Organization.
September 13 » South Vietnamese Generals Lâm Văn Phát and Dương Văn Đức fail in a coup attempt against General Nguyễn Khánh.
September 21 » Malta gains independence from the United Kingdom, but remains in the Commonwealth.
September 25 » The Mozambican War of Independence against Portugal begins.
December 22 » The first test flight of the SR-71 (Blackbird) takes place at Air Force Plant 42 in Palmdale, California, United States.
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/I100735.php : accessed October 13, 2026), "Jan Roelf de Valk (1903-1964)".
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