March 9 » Safavid troops retreat from Basra, ending a three year occupation.
May 23 » After being convicted of piracy and of murdering William Moore, Captain William Kidd is hanged in London.
July 9 » A Bourbon force under Nicolas Catinat withdraws from a smaller Habsburg force under Prince Eugene of Savoy in the Battle of Carpi.
July 19 » Representatives of the Iroquois Confederacy sign the Nanfan Treaty, ceding a large territory north of the Ohio River to England.
September 16 » James Francis Edward Stuart, sometimes called the "Old Pretender", becomes the Jacobite claimant to the thrones of England and Scotland.
October 9 » The Collegiate School of Connecticut (later renamed Yale University) is chartered in Old Saybrook.
Day of death March 1, 1780
The temperature on March 1, 1780 was about 8.0 °C. Wind direction mainly west-northwest. 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 22 » James Cook's ship HMSResolution returns to England (Cook having been killed on Hawaii during the voyage).
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.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
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 4 » The Rebellion of Túpac Amaru II against Spanish rule in the Viceroyalty of Peru begins.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I16156.php : accessed February 13, 2026), "Johannes Henricus JANSONIUS (1701-1780)".
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