January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
January 19 » Anglo-Egyptian Sudan is formed.
January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
March 4 » Cyclone Mahina sweeps in north of Cooktown, Queensland, with a 12 metres (39ft) wave that reaches up to 5 kilometres (3.1mi) inland, killing over 300.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
Day of death October 7, 1980
The temperature on October 7, 1980 was between 7.8 °C and 14.8 °C and averaged 12.0 °C. There was 19.6 mm of rain during 7.2 hours. There was 4.7 hours of sunshine (42%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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 28 » USCGCBlackthorn collides with the tanker Capricorn while leaving Tampa, Florida and capsizes, killing 23 Coast Guard crewmembers.
April 12 » The Americo-Liberian government of Liberia is violently deposed.
July 7 » Institution of sharia law in Iran.
July 8 » The inaugural 1980 State of Origin game is won by Queensland who defeat New South Wales 20–10 at Lang Park.
July 19 » Opening of the Summer Olympics in Moscow.
July 23 » Phạm Tuân becomes the first Vietnamese citizen and the first Asian in space when he flies aboard the Soyuz 37 mission as an Intercosmos Research Cosmonaut.
When copying data from this family tree, please include a reference to the origin: Marianne Langeslag, "Family tree Langeslag", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-langeslag/I4876.php : accessed February 22, 2026), "Martheus Johannes (Thijs) van Leur (1899-1980)".
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