June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 21 » Six hundred American school teachers, Thomasites, arrived in Manila on the USAT Thomas.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage May 21, 1929
The temperature on May 21, 1929 was between 4.9 °C and 21.1 °C and averaged 14.2 °C. There was 14.0 hours of sunshine (88%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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.
February 14 » Saint Valentine's Day Massacre: Seven people, six of them gangster rivals of Al Capone's gang, are murdered in Chicago.
July 27 » The Geneva Convention of 1929, dealing with treatment of prisoners-of-war, is signed by 53 nations.
August 8 » The German airship Graf Zeppelin begins a round-the-world flight.
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.
November 29 » U.S. Admiral Richard E. Byrd leads the first expedition to fly over the South Pole.
Day of death May 6, 1959
The temperature on May 6, 1959 was between 2.8 °C and 16.6 °C and averaged 10.3 °C. There was 13.5 hours of sunshine (89%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 6 » Jack Kilby of Texas Instruments files the first patent for an integrated circuit.
May 16 » The Triton Fountain in Valletta, Malta is turned on for the first time.
June 5 » The first government of Singapore is sworn in.
July 21 » NSSavannah, the first nuclear-powered cargo-passenger ship, is launched as a showcase for Dwight D. Eisenhower's "Atoms for Peace" initiative.
October 30 » Piedmont Airlines Flight 349 crashes on approach to Charlottesville–Albemarle Airport in Albemarle County, Virginia, killing 26 of the 27 on board.
December 13 » Archbishop Makarios III becomes the first President of Cyprus.
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/I113305.php : accessed October 18, 2026), "Klaas Wiersema (1901-1959)".
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