The temperature on May 21, 1911 was between 6.5 °C and 17.7 °C and averaged 11.8 °C. There was 11.1 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
October 5 » The Kowloon–Canton Railway commences service.
Day of marriage June 1, 1935
The temperature on June 1, 1935 was between 5.4 °C and 16.2 °C and averaged 11.5 °C. There was 4.9 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
July 5 » The National Labor Relations Act, which governs labor relations in the United States, is signed into law by President Franklin D. Roosevelt.
July 28 » First flight of the Boeing B-17 Flying Fortress.
September 2 » The Labor Day Hurricane, the most intense hurricane to strike the United States, makes landfall at Long Key, Florida, killing at least 400.
December 5 » Mary McLeod Bethune founds the National Council of Negro Women in New York City.
December 27 » Regina Jonas is ordained as the first female rabbi in the history of Judaism.
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/I120917.php : accessed October 22, 2026), "Doetje Datema (1911-)".
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