January 4 » Utah is admitted as the 45th U.S. state.
March 1 » Henri Becquerel discovers radioactive decay.
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
Day of marriage December 15, 1919
The temperature on December 15, 1919 was between -2.5 °C and 1.5 °C and averaged -0.2 °C. There was 3.3 hours of sunshine (42%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 5 » Charlie Chaplin, Mary Pickford, Douglas Fairbanks, and D. W. Griffith launch United Artists.
April 10 » Mexican Revolution leader Emiliano Zapata is ambushed and shot dead by government forces in Morelos.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
June 2 » Anarchists simultaneously set off bombs in eight separate U.S. cities.
July 13 » The British airship R34 lands in Norfolk, England, completing the first airship return journey across the Atlantic in 182 hours of flight.
November 11 » The Industrial Workers of the World attack an Armistice Day parade in Centralia, Washington, ultimately resulting in the deaths of five people.
Day of death April 9, 1953
The temperature on April 9, 1953 was between 5.0 °C and 10.9 °C and averaged 7.3 °C. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
March 3 » A De Havilland Comet (Canadian Pacific Air Lines) crashes in Karachi, Pakistan, killing 11.
April 25 » Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
May 18 » Jackie Cochran becomes the first woman to break the sound barrier.
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
September 7 » Nikita Khrushchev is elected first secretary of the Communist Party of the Soviet Union.
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: Peter Lax, "Lax Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/lax-family-tree/P3772.php : accessed May 6, 2025), "Helen Clarise Hutton (1893-1953)".
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