The temperature on December 21, 1911 was between 4.6 °C and 8.1 °C and averaged 6.0 °C. There was 2.0 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of death April 14, 1953
The temperature on April 14, 1953 was between 0.5 °C and 9.9 °C and averaged 4.8 °C. There was 1.3 mm of rain during 1.8 hours. There was 1.8 hours of sunshine (13%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 19 » Book censorship in the United States: The Georgia Literature Commission is established.
March 1 » Soviet Premier Joseph Stalin suffers a stroke and collapses; he dies four days later.
March 5 » Joseph Stalin, the longest serving leader of the Soviet Union, dies at his Volynskoe dacha in Moscow after suffering a cerebral hemorrhage four days earlier.
April 13 » CIA director Allen Dulles launches the mind-control program Project MKUltra.
June 19 » Cold War: Julius and Ethel Rosenberg are executed at Sing Sing, in New York.
November 21 » The Natural History Museum, London announces that the "Piltdown Man" skull, initially believed to be one of the most important fossilized hominid skulls ever found, is a hoax.
When copying data from this family tree, please include a reference to the origin: Cor J. de Vlaming, "Family tree de Vlaming", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-vlaming/I1069457021.php : accessed March 16, 2026), "Hendrik Mulder (1911-1953)".
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