The temperature on May 18, 1980 was between 10.9 °C and 23.2 °C and averaged 16.6 °C. There was -0.1 mm of rain. There was 10.3 hours of sunshine (65%). The partly clouded was. The average windspeed was 2 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.
April 3 » US Congress restores a federal trust relationship with the 501 members of the Shvwits, Kanosh, Koosharem, and the Indian Peaks and Cedar City bands of the Paiute people of Utah.
June 10 » The African National Congress in South Africa publishes a call to fight from their imprisoned leader Nelson Mandela.
August 1 » Vigdís Finnbogadóttir is elected President of Iceland and becomes the world's first democratically elected female head of state.
August 14 » Lech Wałęsa leads strikes at the Gdańsk, Poland shipyards.
November 12 » The NASA space probe Voyager I makes its closest approach to Saturn and takes the first images of its rings.
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.)
When copying data from this family tree, please include a reference to the origin: Colin Birrell, "Birrell family tree", database, Genealogy Online (https://www.genealogieonline.nl/birrell-family-tree/I5000486160.php : accessed May 13, 2025), "Margaret Rodger Henry (-1980)".
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