March 13 » The Battle of Cartagena de Indias (part of the War of Jenkins' Ear) begins.
April 10 » War of the Austrian Succession: Prussia gains control of Silesia at the Battle of Mollwitz.
June 25 » Maria Theresa is crowned Queen of Hungary.
July 15 » Aleksei Chirikov sights land in Southeast Alaska. He sends men ashore in a longboat, making them the first Europeans to visit Alaska.
July 31 » Charles Albert of Bavaria invades Upper Austria and Bohemia.
August 10 » King Marthanda Varma of Travancore defeats the Dutch East India Company at the Battle of Colachel, effectively bringing about the end of the Dutch colonial rule in India.
Day of death March 7, 1781
The temperature on March 7, 1781 was about 12.0 °C. Wind direction mainly north west from. Weather type: geheel betrokken. Source: KNMI
January 1 » American Revolutionary War: One thousand five hundred soldiers of the 6th Pennsylvania Regiment under General Anthony Wayne's command rebel against the Continental Army's winter camp in Morristown, New Jersey in the Pennsylvania Line Mutiny of 1781.
February 3 » American Revolutionary War: British forces seize the Dutch-owned Caribbean island Sint Eustatius.
February 18 » Fourth Anglo-Dutch War: Captain Thomas Shirley opens his expedition against Dutch colonial outposts on the Gold Coast of Africa (present-day Ghana).
August 24 » American Revolutionary War: A small force of Pennsylvania militia is ambushed and overwhelmed by an American Indian group, which forces George Rogers Clark to abandon his attempt to attack Detroit.
September 8 » American Revolutionary War: The Battle of Eutaw Springs in South Carolina, the war's last significant battle in the Southern theater, ends in a narrow British tactical victory.
November 29 » The crew of the British slave ship Zong murders 133 Africans by dumping them into the sea to claim insurance.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P2069.php : accessed May 1, 2025), "Mary Low Chadwick Porter (1721-1781)".
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