March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
July 24 » O. Henry is released from prison in Columbus, Ohio, after serving three years for embezzlement from a bank.
August 21 » Six hundred American school teachers, Thomasites, arrived in Manila on the USAT Thomas.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
Day of marriage December 15, 1927
The temperature on December 15, 1927 was between -7.6 °C and -0.2 °C and averaged -3.1 °C. There was 1.3 mm of rain. There was 4.4 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
March 15 » The first Women's Boat Race between the University of Oxford and the University of Cambridge takes place on The Isis in Oxford.
May 22 » Near Xining, China, an 8.3 magnitude earthquake causes 200,000 deaths in one of the world's most destructive earthquakes.
May 26 » The last Ford Model T rolls off the assembly line after a production run of 15,007,003 vehicles.
June 26 » The Cyclone roller coaster opens on Coney Island.
November 13 » The Holland Tunnel opens to traffic as the first Hudson River vehicle tunnel linking New Jersey to New York City.
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/I134974.php : accessed October 19, 2026), "Jan de Boer (1901-)".
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