American Revolution Timeline By 7.samanthaa Period: Jan 1, 1770 to Dec 31, 1787 American Revolution Timeline Mar 5, 1770 The Boston Massacre Dec 16, 1773 The Boston Massacre Apr 18, 1775 Battle of Lexington and Concord Apr 19, 1775 Battle of Lexington and Concord Jan 15, 1776 Delaware declares Independence Jul 4, 1776 U.S Declares Independence Dec 26, 1776 Washington wins first major battle at Trenton Dec 19, 1777 Continental Army enters into Valley Forge Feb 6, 1778 France sign the Treaty of Amity and Commerce and the Treaty of Alliance in Paris Mar 2, 1781 Articles of Confederation