April 25 » Highwayman Nicolas J. Pelletier becomes the first person executed by guillotine.
May 11 » Robert Gray commands the first expedition to sail into the Columbia River.
May 21 » A lava dome collapses on Mount Unzen, near the city of Shimbara on the Japanese island of Kyūshū, creating a deadly tsunami that kills nearly 15,000 people.
June 1 » Kentucky is admitted as the 15th state of the United States.
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: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I18024.php : accessed September 24, 2026), "Judoca Maria Maes".
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