The temperature on November 12, 1909 was between 6.0 °C and 10.9 °C and averaged 9.5 °C. There was 3.8 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
October 16 » William Howard Taft and Porfirio Díaz hold the first summit between a U.S. and a Mexican president. They narrowly escape assassination.
Day of marriage August 15, 1934
The temperature on August 15, 1934 was between 10.5 °C and 20.5 °C and averaged 15.2 °C. There was 6.7 hours of sunshine (45%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 15 » The 8.0 Mw Nepal–Bihar earthquake strikes Nepal and Bihar with a maximum Mercalli intensity of XI (Extreme), killing an estimated 6,000–10,700 people.
January 26 » German–Polish Non-Aggression Pact is signed.
February 21 » Augusto Sandino is executed.
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
May 23 » Infamous American bank robbers Bonnie and Clyde are ambushed by police and killed in Bienville Parish, Louisiana.
September 22 » The Gresford disaster in Wales kills 266 miners and rescuers.
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/I888.php : accessed October 15, 2026), "WILLEMINA de ZWART (1909-)".
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