The temperature on January 15, 1910 was between 1.9 °C and 8.2 °C and averaged 6.3 °C. There was 5.5 hours of sunshine (67%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
Day of marriage May 20, 1937
The temperature on May 20, 1937 was between 12.2 °C and 22.5 °C and averaged 17.1 °C. There was 9.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 20 » Franklin D. Roosevelt and John Nance Garner are sworn in for their second terms as U.S. President and U.S. Vice President; it is the first time a Presidential Inauguration takes place on January 20 since the 20th Amendment changed the dates of presidential terms.
May 26 » Walter Reuther and members of the United Auto Workers (UAW) clashed with Ford Motor Company security guards at the River Rouge Complex complex in Dearborn, Michigan, during the Battle of the Overpass.
July 2 » Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight.
August 24 » Spanish Civil War: Sovereign Council of Asturias and León is proclaimed in Gijón.
August 24 » Spanish Civil War: the Basque Army surrenders to the Italian Corpo Truppe Volontarie following the Santoña Agreement.
December 22 » The Lincoln Tunnel opens to traffic in New York City.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I33434.php : accessed January 27, 2026), "Grada Wilhelmina SLOETJES (1910-)".
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