The temperature on July 20, 1912 was between 7.8 °C and 19.4 °C and averaged 13.9 °C. There was 2.9 hours of sunshine (18%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
January 23 » The International Opium Convention is signed at The Hague.
May 4 » Italy occupies the Greek island of Rhodes.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
October 7 » The Helsinki Stock Exchange sees its first transaction.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
Day of death February 10, 1953
The temperature on February 10, 1953 was between 1.8 °C and 5.0 °C and averaged 2.9 °C. There was 10.4 mm of rain during 9.1 hours. There was 0.7 hours of sunshine (7%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
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.
April 29 » The first U.S. experimental 3D television broadcast showed an episode of Space Patrol on Los Angeles ABC affiliate KECA-TV.
August 10 » First Indochina War: The French Union withdraws its forces from Operation Camargue against the Viet Minh in central Vietnam.
August 12 » The first testing of a real thermonuclear weapon (not test devices): The Soviet atomic bomb project continues with the detonation of "RDS-6s" (Joe 4), the first Soviet thermonuclear bomb.
September 21 » Lieutenant No Kum-sok, a North Korean pilot, defects to South Korea with his jet fighter.
September 26 » Rationing of sugar in the United Kingdom ends
When copying data from this family tree, please include a reference to the origin: Otto Toon, "Family tree Otto", database, Genealogy Online (https://www.genealogieonline.nl/otto-stamboom/I6533.php : accessed February 16, 2026), "Jan Johannes Loohuis (1912-1953)".
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