February 1 » Shinhan Bank, the oldest bank in South Korea, opens in Seoul.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death January 1, 1981
The temperature on January 1, 1981 was between 0.7 °C and 8.0 °C and averaged 4.2 °C. There was 5.7 mm of rain during 2.6 hours. There was 2.0 hours of sunshine (26%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 20 » Ronald Reagan is inaugurated the 40th President of the United States of America. Twenty minutes later, Iran releases 52 American hostages.
January 28 » Ronald Reagan lifts remaining domestic petroleum price and allocation controls in the United States helping to end the 1979 energy crisis and begin the 1980s oil glut.
August 10 » Murder of Adam Walsh: The head of John Walsh's son is found. This inspires the creation of the television series America's Most Wanted and the National Center for Missing & Exploited Children.
August 25 » Voyager 2 spacecraft makes its closest approach to Saturn.
September 25 » Belize joins the United Nations.
December 13 » General Wojciech Jaruzelski declares martial law in Poland, largely due to the actions by Solidarity.
When copying data from this family tree, please include a reference to the origin: J. Borggreve, "Family tree van de families Borggreve, Grijpma, de Nooijer en Dingemanse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-borggreve/I502933.php : accessed December 24, 2025), "Jansje Helena Mensen (1897-1981)".
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