March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
July 28 » The city of Miami, Florida is incorporated.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
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 13 » With the success of a nuclear test codenamed "Gerboise Bleue", France becomes the fourth country to possess nuclear weapons.
April 9 » Dr Hendrik Verwoerd, Prime Minister of South Africa and architect of apartheid, narrowly survives an assassination attempt by a white farmer, David Pratt in Johannesburg.
April 21 » Brasília, Brazil's capital, is officially inaugurated. At 09:30, the Three Powers of the Republic are simultaneously transferred from the old capital, Rio de Janeiro.
June 25 » Cold War: Two cryptographers working for the United States National Security Agency left for vacation to Mexico, and from there defected to the Soviet Union.
July 11 » Congo Crisis: The State of Katanga breaks away from the Democratic Republic of the Congo.
September 24 » USSEnterprise, the world's first nuclear-powered aircraft carrier, is launched.
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 February 7, 2026), "Pieter Ignatius Michael du Plessies (1896-1960)".
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