The temperature on July 12, 1910 was between 13.2 °C and 22.2 °C and averaged 17.5 °C. There was 7.5 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
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.
Day of marriage July 18, 1935
The temperature on July 18, 1935 was between 10.5 °C and 19.5 °C and averaged 14.8 °C. There was 7.2 mm of rain during 2.0 hours. There was 1.7 hours of sunshine (10%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 11 » Amelia Earhart becomes the first person to fly solo from Hawaii to California.
January 28 » Iceland becomes the first Western country to legalize therapeutic abortion.
May 27 » New Deal: The Supreme Court of the United States declares the National Industrial Recovery Act to be unconstitutional in A.L.A. Schechter Poultry Corp. v. United States, (295 U.S. 495).
July 16 » The world's first parking meter is installed in Oklahoma City, Oklahoma.
September 30 » The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated.
October 10 » In Greece, a coup d'état ends the Second Hellenic Republic.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I406768.php : accessed January 14, 2026), "Leon "Leon" Waterschoot (1910-)".
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