March 28 » Juan Bautista de Anza finds the site for the Presidio of San Francisco.
June 7 » Richard Henry Lee presents the "Lee Resolution" to the Continental Congress. The motion is seconded by John Adams and will lead to the United States Declaration of Independence.
September 16 » American Revolutionary War: The Battle of Harlem Heights is fought.
September 17 » The Presidio of San Francisco is founded in New Spain.
November 16 » American Revolution: The United Provinces (Low Countries) recognize the independence of the United States.
December 25 » George Washington and the Continental Army cross the Delaware River at night to attack Hessian forces serving Great Britain at Trenton, New Jersey, the next day.
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The Family tree Doppenberg publication was prepared by Henk Doppenberg (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Henk Doppenberg, "Family tree Doppenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doppenberg/I14735.php : accessed March 1, 2026), "Gerritje Jansd Rademaker".
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