May 7 » The city of New Orleans is founded by Jean-Baptiste Le Moyne, Sieur de Bienville.
May 15 » James Puckle, a London lawyer, patents the world's first machine gun.
June 26 » Alexei Petrovich, Tsarevich of Russia, Peter the Great's son, mysteriously dies after being sentenced to death by his father for plotting against him.
July 21 » The Treaty of Passarowitz between the Ottoman Empire, Austria and the Republic of Venice is signed.
November 22 » Off the coast of North Carolina, British pirate Edward Teach (best known as "Blackbeard") is killed in battle with a boarding party led by Royal Navy Lieutenant Robert Maynard.
November 30 » King Charles XII of Sweden dies during a siege of the fortress of Fredriksten in Norway.
Day of death October 23, 1780
The temperature on October 23, 1780 was about 12.0 °C. Wind direction mainly west. Weather type: zeer betrokken. Source: KNMI
March 17 » American Revolution: George Washington grants the Continental Army a holiday "as an act of solidarity with the Irish in their fight for independence".
August 16 » American Revolutionary War: Battle of Camden: The British defeat the Americans near Camden, South Carolina.
September 11 » American Revolutionary War: Sugarloaf Massacre: A small detachment of militia from Northampton County are attacked by Native Americans and Loyalists near Little Nescopeck Creek.
October 16 » The Great Hurricane of 1780 finishes after its sixth day, killing between 20,000 and 24,000 residents of the Lesser Antilles.
November 9 » American Revolutionary War: In the Battle of Fishdam Ford a force of British and Loyalist troops fail in a surprise attack against the South Carolina Patriot militia under Brigadier General Thomas Sumter.
December 14 » Founding Father Alexander Hamilton marries Elizabeth Schuyler Hamilton at the Schuyler Mansion in Albany, New York
When copying data from this family tree, please include a reference to the origin: Keith Mann Spencer, "Mann Spencer Tree", database, Genealogy Online (https://www.genealogieonline.nl/mann-spencer-tree/P1133.php : accessed January 30, 2026), "Joanna Cady (1718-1780)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.