January 28 » Sir Horace Walpole coins the word serendipity in a letter to a friend.
May 28 » French and Indian War: In the first engagement of the war, Virginia militia under the 22-year-old Lieutenant colonel George Washington defeat a French reconnaissance party in the Battle of Jumonville Glen in what is now Fayette County in southwestern Pennsylvania.
July 3 » French and Indian War: George Washington surrenders Fort Necessity to French forces.
Day of marriage July 30, 1780
The temperature on July 30, 1780 was about 19.0 °C. Wind direction mainly east-northeast. Weather type: zeer betrokken. Source: KNMI
March 14 » American Revolutionary War: Spanish forces capture Fort Charlotte in Mobile, Alabama, the last British frontier post capable of threatening New Orleans.
May 12 » American Revolutionary War: In the largest defeat of the Continental Army, Charleston, South Carolina is taken by British forces.
June 23 » American Revolution: Battle of Springfield fought in and around Springfield, New Jersey (including Short Hills, formerly of Springfield, now of Millburn Township).
August 16 » American Revolutionary War: Battle of Camden: The British defeat the Americans near Camden, South Carolina.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
November 4 » The Rebellion of Túpac Amaru II against Spanish rule in the Viceroyalty of Peru begins.
Day of death March 8, 1783
The temperature on March 8, 1783 was about 5.0 °C. Wind direction mainly northwest. Weather type: zeer betrokken. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I20571.php : accessed September 29, 2026), "Joannes Cornelius Janssens (1754-1783)".
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