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 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 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
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 29, 1971
The temperature on June 29, 1971 was between 9.1 °C and 17.8 °C and averaged 13.7 °C. There was 12.2 hours of sunshine (73%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 31 » The Winter Soldier Investigation, organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
March 25 » The Army of the Republic of Vietnam abandon an attempt to cut off the Ho Chi Minh trail in Laos.
April 1 » Bangladesh Liberation War: The Pakistan Army massacre over 1,000 people in Keraniganj Upazila, Bangladesh.
August 10 » The Society for American Baseball Research is founded in Cooperstown, New York.
September 15 » The first Greenpeace ship sets sail to protest against nuclear testing on Amchitka Island.
October 12 » The 2,500 year celebration of the Persian Empire begins.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I209308.php : accessed October 11, 2026), "Tonniske Westra (1896-1971)".
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