The temperature on July 30, 1937 was between 13.3 °C and 19.4 °C and averaged 15.6 °C. There was 0.1 mm of rain. There was 2.6 hours of sunshine (17%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
March 2 » The Steel Workers Organizing Committee signs a collective bargaining agreement with U.S. Steel, leading to unionization of the United States steel industry.
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
September 21 » J. R. R. Tolkien's The Hobbit is published.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
Day of marriage March 18, 1960
The temperature on March 18, 1960 was between 1.7 °C and 3.4 °C and averaged 2.4 °C. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 6 » National Airlines Flight 2511 is destroyed in mid-air by a bomb, while en route from New York City to Miami.
January 25 » The National Association of Broadcasters reacts to the "payola" scandal by threatening fines for any disc jockeys who accept money for playing particular records.
May 22 » The Great Chilean earthquake, measuring 9.5 on the moment magnitude scale, hits southern Chile, becoming the most powerful earthquake ever recorded.
July 20 » The Polaris missile is successfully launched from a submarine, the USSGeorge Washington, for the first time.
September 8 » In Huntsville, Alabama, US President Dwight D. Eisenhower formally dedicates the Marshall Space Flight Center (NASA had already activated the facility on July 1).
October 12 » Soviet Premier Nikita Khrushchev pounds his shoe on a desk at the United Nations to protest a Philippine assertion.
When copying data from this family tree, please include a reference to the origin: Hans van Ekelenburg, "Family tree Van Ekelenburg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-ekelenburg/I1787.php : accessed January 16, 2026), "Sybilla Margaretha van Ekelenburg (1937-2021)".
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