February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
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.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
Day of death January 13, 1980
The temperature on January 13, 1980 was between -10.0 °C and -1.8 °C and averaged -7.0 °C. There was 6.9 hours of sunshine (85%). The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. 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.
May 18 » Mount St. Helens erupts in Washington, United States, killing 57 people and causing $3billion in damage.
May 18 » Students in Gwangju, South Korea begin demonstrations calling for democratic reforms.
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.
September 17 » Former Nicaraguan President Anastasio Somoza Debayle is killed in Asunción, Paraguay.
September 23 » Bob Marley plays what would be the last concert of his life in Pittsburgh, Pennsylvania.
When copying data from this family tree, please include a reference to the origin: Gé Lobé, "Family tree Lobé en verwanten.", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-lobe/I75231.php : accessed February 26, 2026), "Johanna Petronella Roelofs (1899-1980)".
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