January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
July 8 » The first issue of The Wall Street Journal is published.
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage March 31, 1921
The temperature on March 31, 1921 was between 5.0 °C and 12.4 °C and averaged 8.2 °C. There was 0.5 mm of rain. There was 1.4 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
March 31 » The Royal Australian Air Force is formed.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
Day of death August 22, 1959
The temperature on August 22, 1959 was between 14.0 °C and 23.4 °C and averaged 18.2 °C. There was 6.1 hours of sunshine (43%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 3 » Alaska is admitted as the 49th U.S. state.
January 29 » The first Melodifestivalen is held in Cirkus, Stockholm, Sweden.
February 9 » The R-7 Semyorka, the first intercontinental ballistic missile, becomes operational at Plesetsk, USSR.
March 31 » The 14th Dalai Lama, crosses the border into India and is granted political asylum.
August 17 » Quake Lake is formed by the magnitude 7.5 1959 Hebgen Lake earthquake near Hebgen Lake in Montana.
October 30 » Piedmont Airlines Flight 349 crashes on approach to Charlottesville–Albemarle Airport in Albemarle County, Virginia, killing 26 of the 27 on board.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I6962.php : accessed September 28, 2026), "TEUNIS van 't HOF (1889-1959)".
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