The temperature on July 20, 1910 was between 10.0 °C and 19.2 °C and averaged 14.6 °C. There was 2.6 mm of rain. There was 1.6 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
Day of marriage October 30, 1935
The temperature on October 30, 1935 was between 6.8 °C and 12.3 °C and averaged 9.3 °C. There was 0.5 mm of rain during 0.8 hours. There was 4.1 hours of sunshine (42%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
March 23 » Signing of the Constitution of the Commonwealth of the Philippines.
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).
May 29 » First flight of the Messerschmitt Bf 109 fighter aeroplane.
June 11 » Inventor Edwin Armstrong gives the first public demonstration of FM broadcasting in the United States at Alpine, New Jersey.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
July 20 » Switzerland: A Royal Dutch Airlines plane en route from Milan to Frankfurt crashes into a Swiss mountain, killing thirteen.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I14810.php : accessed February 24, 2026), "Maria Fortuin (1910-)".
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