January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 3 » Idaho is admitted as the 43rd U.S. state.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
December 22 » Cornwallis Valley Railway begins operation between Kentville and Kingsport, Nova Scotia.
Day of death August 20, 1987
The temperature on August 20, 1987 was between 13.6 °C and 23.8 °C and averaged 18.3 °C. There was 7.5 hours of sunshine (52%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
June 12 » The Central African Republic's former emperor Jean-Bédel Bokassa is sentenced to death for crimes he had committed during his 13-year rule.
August 16 » Northwest Airlines Flight 255, a McDonnell Douglas MD-82, crashes after takeoff in Detroit, Michigan, killing 154 of the 155 on board, plus two people on the ground.
September 13 » Goiânia accident: A radioactive object is stolen from an abandoned hospital in Goiânia, Brazil, contaminating many people in the following weeks and causing some to die from radiation poisoning.
October 1 » The 5.9 Mw Whittier Narrows earthquake shakes the San Gabriel Valley with a Mercalli intensity of VIII (Severe), killing eight and injuring 200.
October 11 » The AIDS Memorial Quilt is first displayed during the Second National March on Washington for Lesbian and Gay Rights.
December 8 » Cold War: The Intermediate-Range Nuclear Forces Treaty is signed by U.S. President Ronald Reagan and Soviet leader Mikhail Gorbachev in the White House.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P846.php : accessed January 1, 2026), "Helen Jackson (1890-1987)".
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