January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 20 » Pierre and Marie Curie refine radium chloride.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of death July 13, 1980
The temperature on July 13, 1980 was between 10.1 °C and 17.5 °C and averaged 13.1 °C. There was 13.6 mm of rain during 4.6 hours. There was 4.8 hours of sunshine (29%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
January 7 » U.S. President Jimmy Carter authorizes legislation giving $1.5 billion in loans to bail out the Chrysler Corporation.
August 2 » A bomb explodes at the railway station in Bologna, Italy, killing 85 people and wounding more than 200.
September 1 » Major General Chun Doo-hwan becomes President of South Korea, following the resignation of Choi Kyu-hah.
October 10 » The Farabundo Martí National Liberation Front is founded in El Salvador.
November 28 » Iran–Iraq War: Operation Morvarid: The bulk of the Iraqi Navy is destroyed by the Iranian Navy in the Persian Gulf. (Commemorated in Iran as Navy Day.)
December 1 » Ecatepec, State of Mexico, Mexico, becomes a city.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I597988.php : accessed February 7, 2026), "August Ingevald Hedberg (1902-1980)".
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