March 4 » American Revolutionary War: The Continental Army fortifies Dorchester Heights with cannon, leading the British troops to abandon the Siege of Boston.
March 17 » American Revolution: The British Army evacuates Boston, ending the Siege of Boston, after George Washington and Henry Knox place artillery in positions overlooking the city.
September 10 » American Revolutionary War: Nathan Hale volunteers to spy for the Continental Army.
September 17 » The Presidio of San Francisco is founded in New Spain.
December 19 » Thomas Paine publishes one of a series of pamphlets in The Pennsylvania Journal entitled "The American Crisis".
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.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I71508.php : accessed January 28, 2026), "Jan Kolen".
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