April 14 » The first abolition society in North America is established. The Society for the Relief of Free Negroes Unlawfully Held in Bondage is organized in Philadelphia by Benjamin Franklin and Benjamin Rush.
April 19 » American Revolutionary War: The war begins with an American victory in Concord during the battles of Lexington and Concord.
July 3 » American Revolutionary War: George Washington takes command of the Continental Army at Cambridge, Massachusetts.
July 5 » The Second Continental Congress adopts the Olive Branch Petition.
July 27 » Founding of the U.S. Army Medical Department: The Second Continental Congress passes legislation establishing "an hospital for an army consisting of 20,000 men."
October 13 » The Continental Congress establishes the Continental Navy (predecessor of the United States Navy).
When copying data from this family tree, please include a reference to the origin: Leslie Barfield, "Family tree Van Barneveld et al", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-barneveld-et-al/I30367.php : accessed August 10, 2025), "Annigje Janse van Niekerken (1710-1775)".
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