The temperature on April 25, 1904 was between 0.3 °C and 11.7 °C and averaged 8.0 °C. There was 8.6 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
February 7 » A fire begins in Baltimore, Maryland; it destroys over 1,500 buildings in 30 hours.
April 8 » Longacre Square in Midtown Manhattan is renamed Times Square after The New York Times.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
October 4 » The IFK Göteborg football club is founded in Sweden.
October 27 » The first underground New York City Subway line opens, later designated as the IRT Broadway–Seventh Avenue Line.
Day of death September 9, 1953
The temperature on September 9, 1953 was between 5.4 °C and 18.4 °C and averaged 13.6 °C. There was 0.1 mm of rain. There was -0.1 hours of sunshine (0%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 19 » Almost 72 percent of all television sets in the United States are tuned into I Love Lucy to watch Lucy give birth.
February 11 » Cold War: U.S. President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
March 6 » Georgy Malenkov succeeds Joseph Stalin as Premier of the Soviet Union and First Secretary of the Communist Party of the Soviet Union.
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.
November 17 » The remaining human inhabitants of the Blasket Islands, Kerry, Ireland, are evacuated to the mainland.
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/I200129.php : accessed October 9, 2026), "Roelf van Olst (1904-1953)".
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