January 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
May 17 » Second Boer War: British troops relieve Mafeking.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
October 25 » The United Kingdom annexes the Transvaal.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death August 17, 1954
The temperature on August 17, 1954 was between 8.7 °C and 20.7 °C and averaged 15.3 °C. There was 0.1 mm of rain. There was 9.3 hours of sunshine (64%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
March 13 » The Battle of Điện Biên Phủ begins with an artillery barrage by Viet Minh forces under Võ Nguyên Giáp; Viet Minh victory lead to the end of the First Indochina War and French withdrawal from Vietnam.
March 19 » Joey Giardello knocks out Willie Tory in round seven at Madison Square Garden in the first televised prize boxing fight shown in colour.
March 26 » Nuclear weapons testing: The Romeo shot of Operation Castle is detonated at Bikini Atoll. Yield: 11 megatons.
July 5 » The BBC broadcasts its first television news bulletin.
September 3 » The People's Liberation Army begins shelling the Republic of China-controlled islands of Quemoy, starting the First Taiwan Strait Crisis.
November 30 » In Sylacauga, Alabama, United States, the Hodges meteorite crashes through a roof and hits a woman taking an afternoon nap; this is the only documented case in the Western Hemisphere of a human being hit by a rock from space.
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The Family tree Den Outer publication was prepared by Menno den Outer (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Menno den Outer, "Family tree Den Outer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-outer/R293.php : accessed January 24, 2026), "Magdalena Johanna Alida den Outer (1900-1954)".
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