February 22 » War of the Austrian Succession: The Battle of Toulon causes several Royal Navy captains to be court-martialed, and the Articles of War to be amended.
July 4 » The Treaty of Lancaster, in which the Iroquois cede lands between the Allegheny Mountains and the Ohio River to the British colonies, was signed in Lancaster, Pennsylvania.
September 30 » War of the Austrian Succession: France and Spain defeat Sardinia at the Battle of Madonna dell'Olmo, but soon have to withdraw from Sardinia anyway.
Day of death February 4, 1781
The temperature on February 4, 1781 was about 4.0 °C. There was 22 mm of rainWind direction mainly southwest. Weather type: betrokken regen. Source: KNMI
January 6 » In the Battle of Jersey, the British defeat the last attempt by France to invade Jersey in the Channel Islands.
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).
April 29 » American Revolutionary War: British and French ships clash in the Battle of Fort Royal off the coast of Martinique.
September 6 » The Battle of Groton Heights takes place, resulting in a British victory.
October 19 » American Revolutionary War: The siege of Yorktown comes to an end.
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: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I9371.php : accessed January 24, 2026), "Johannes Viljoen (1711-1781)".
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