January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
February 27 » The British Labour Party is founded.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of death May 21, 1980
The temperature on May 21, 1980 was between 9.0 °C and 21.2 °C and averaged 14.9 °C. There was 11.1 hours of sunshine (70%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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.
February 17 » First winter ascent of Mount Everest by Krzysztof Wielicki and Leszek Cichy.
April 18 » The Republic of Zimbabwe (formerly Rhodesia) comes into being, with Canaan Banana as the country's first President. The Zimbabwean dollar replaces the Rhodesian dollar as the official currency.
May 20 » In a referendum in Quebec, the population rejects, by 60% of the vote, a government proposal to move towards independence from Canada.
June 1 » Cable News Network (CNN) begins broadcasting.
July 24 » The Quietly Confident Quartet of Australia wins the men's 4 x 100 metre medley relay at the Moscow Olympics, the only time the United States has not won the event at Olympic level.
November 23 » The 6.9 Mw Irpinia earthquake shakes southern Italy with a maximum Mercalli intensity of X (Extreme), killing 2,483–4,900, and injuring 7,700–8,934.
When copying data from this family tree, please include a reference to the origin: Brad Dobyns, "Dobyns Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/dobyns-family-tree/P1684.php : accessed May 13, 2025), "Margaret Lillian Vollmer (1900-1980)".
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