February 6 » American Revolutionary War: In Paris the Treaty of Alliance and the Treaty of Amity and Commerce are signed by the United States and France signaling official recognition of the new republic.
February 9 » Rhode Island becomes the fourth US state to ratify the Articles of Confederation.
July 3 » American Revolutionary War: Iroquois allied to Britain kill 360 people in the Wyoming Valley massacre.
July 4 » American Revolutionary War: U.S. forces under George Clark capture Kaskaskia during the Illinois campaign.
July 27 » American Revolution: First Battle of Ushant: British and French fleets fight to a standoff.
December 29 » American Revolutionary War: Three thousand British soldiers under the command of Lieutenant Colonel Archibald Campbell capture Savannah, Georgia.
Day of death August 22, 1790
The temperature on August 22, 1790 was about 18.0 °C. Wind direction mainly west-southwest. Weather type: half bewolkt bui winderig. 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/I1411.php : accessed September 23, 2026), "Joannes Franciscus de Group (1778-1790)".
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