The temperature on June 10, 1953 was between 12.6 °C and 15.6 °C and averaged 14.4 °C. There was 0.4 mm of rain during 2.3 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 11 » Cold War: U.S. President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
February 19 » Book censorship in the United States: The Georgia Literature Commission is established.
February 28 » James Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2).
July 7 » Ernesto "Che" Guevara sets out on a trip through Bolivia, Peru, Ecuador, Panama, Costa Rica, Nicaragua, Honduras, and El Salvador.
October 29 » BCPA Flight 304 DC-6 crashes near San Francisco.
November 9 » Cambodia gains independence from France.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I11443.php : accessed February 28, 2026), "Robert D. Visscher".
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