March 4 » American Revolutionary War: The Continental Army fortifies Dorchester Heights with cannon, leading the British troops to abandon the Siege of Boston.
March 28 » Juan Bautista de Anza finds the site for the Presidio of San Francisco.
June 11 » The Continental Congress appoints Thomas Jefferson, John Adams, Benjamin Franklin, Roger Sherman, and Robert R. Livingston to the Committee of Five to draft a declaration of independence.
July 9 » George Washington orders the Declaration of Independence to be read out to members of the Continental Army in Manhattan, while thousands of British troops on Staten Island prepare for the Battle of Long Island.
September 7 » According to American colonial reports, Ezra Lee makes the world's first submarine attack in the Turtle, attempting to attach a time bomb to the hull of HMS Eagle in New York Harbor (no British records of this attack exist).
November 16 » American Revolution: The United Provinces (Low Countries) recognize the independence of the United States.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I30044.php : accessed October 8, 2026), "Marten Romkes (± 1745-????)".
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