March 1 » Henri Becquerel discovers radioactive decay.
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.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
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 June 13, 1971
The temperature on June 13, 1971 was between 6.8 °C and 19.1 °C and averaged 13.3 °C. There was 0.5 mm of rain during 0.2 hours. There was 8.4 hours of sunshine (50%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 1 » Cigarette advertisements are banned on American television.
January 25 » Idi Amin leads a coup deposing Milton Obote and becomes Uganda's president.
March 29 » My Lai Massacre: Lieutenant William Calley is convicted of premeditated murder and sentenced to life in prison.
September 13 » State police and National Guardsmen storm New York's Attica Prison to quell a prison revolt, which claimed 43 lives.
October 12 » The 2,500 year celebration of the Persian Empire begins.
November 23 » Representatives of the People's Republic of China attend the United Nations, including the United Nations Security Council, for the first time.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I485.php : accessed August 27, 2026), "Alice Riské (1896-1971)".
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