February 20 » The Postal Service Act, establishing the United States Post Office Department, is signed by United States President George Washington.
June 4 » Captain George Vancouver claims Puget Sound for the Kingdom of Great Britain.
September 11 » The Hope Diamond is stolen along with other French crown jewels when six men break into the house where they are stored.
September 22 » Primidi Vendémiaire of year one of the French Republican Calendar as the French First Republic comes into being.
October 13 » In Washington, D.C., the cornerstone of the United States Executive Mansion (known as the White House since 1818) is laid.
October 29 » Mount Hood (Oregon) is named after Samuel Hood, 1st Viscount Hood by Lt. William E. Broughton who sighted the mountain near the mouth of the Willamette River.
When copying data from this family tree, please include a reference to the origin: Erik Develter, "Family tree Erik Develter", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-erik-develter/I7147397104054995.php : accessed May 8, 2025), "Maria Theresia Thery (1792-????)".
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