January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
December 16 » Taj Mahal Palace & Tower hotel in Bombay first opens its doors to guests.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of death July 11, 1980
The temperature on July 11, 1980 was between 12.6 °C and 16.0 °C and averaged 13.7 °C. There was 0.2 mm of rain during 0.3 hours. There was 1.3 hours of sunshine (8%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
April 2 » United States President Jimmy Carter signs the Crude Oil Windfall Profits Tax Act.
May 17 » General Chun Doo-hwan of South Korea seizes control of the government and declares martial law in order to suppress student demonstrations.
June 3 » The 1980 Grand Island tornado outbreak hits Nebraska, causing five deaths and $300million (equivalent to $931million in 2019) worth of damage.
July 19 » Opening of the Summer Olympics in Moscow.
August 2 » A bomb explodes at the railway station in Bologna, Italy, killing 85 people and wounding more than 200.
November 21 » A deadly fire breaks out at the MGM Grand Hotel in Paradise, Nevada (now Bally's Las Vegas). Eighty-seven people are killed and more than 650 are injured in the worst disaster in Nevada history.
When copying data from this family tree, please include a reference to the origin: Tine Hoffmann & Berndt Westermann (contact R.Westermann), "Genealogy Westermann (Vestermann, Vestermand) 1665 – 2006", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-westermann/I57.php : accessed February 18, 2026), "Carel Jacob Westermann (1903-1980)".
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