The temperature on June 20, 1953 was between 14.0 °C and 23.3 °C and averaged 18.6 °C. There was 10.8 hours of sunshine (64%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 3 » Frances P. Bolton and her son, Oliver from Ohio, become the first mother and son to serve simultaneously in the U.S. Congress.
January 5 » The play Waiting for Godot by Samuel Beckett receives its première in Paris.
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).
March 18 » An earthquake hits western Turkey, killing 265 people.
May 18 » Jackie Cochran becomes the first woman to break the sound barrier.
June 26 » Lavrentiy Beria, head of MVD, is arrested by Nikita Khrushchev and other members of the Politburo.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I6740.php : accessed September 24, 2026), "Cilia van der Horst (1953-)".
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