American Revolution timeline By Amelia S. 1763 End of the French and Indian war 1764 Sugar act 1765 Stamp act 1770 Boston Massacre 1773 Boston Tea Party Apr 19, 1775 Battle of Lexington and Concord Jun 19, 1775 George Washington named commander-in-Chief of the Continental Army Jul 4, 1776 Declaration of Independence Aug 1, 1776 Arrival of British troops in New York Harbor Dec 25, 1776 Washington crosses the Delaware