February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of death March 15, 1960
The temperature on March 15, 1960 was between 3.5 °C and 13.6 °C and averaged 8.0 °C. There was 9.1 hours of sunshine (77%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 16 » The U.S. Navy submarine USSTriton begins Operation Sandblast, setting sail from New London, Connecticut, to begin the first submerged circumnavigation of the globe.
May 15 » The Soviet Union launches Sputnik 4.
June 17 » The Nez Perce tribe is awarded $4million for 7million acres (28,000km) of land undervalued at four cents/acre in the 1863 treaty.
July 8 » Francis Gary Powers is charged with espionage resulting from his flight over the Soviet Union.
October 12 » Soviet Premier Nikita Khrushchev pounds his shoe on a desk at the United Nations to protest a Philippine assertion.
November 28 » Mauritania becomes independent of France.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I15625.php : accessed January 31, 2026), "Pieter Ignatius Michael du Plessies (1896-1960)".
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