american revolution By arson1 Mar 22, 1765 Passage of the Stamp Act 1768 British Troops Occupy Boston 1772 Committees of Correspondence Established 1774 Britain Tries to Intimidate Massachusetts 1775 Britain Forms an Alliance with Patriot Slaves Apr 19, 1775 Independence Declared Jun 17, 1775 Americans Hold Their Own Jun 28, 1775 Loyalists Defeated Jun 28, 1776 South Carolinians Repel British Attempt to Take Charleston Jul 4, 1776 America Declares Its Independence 1777 George Washington Crosses the Delaware River 1778 Campaign of 1777 & Battle of Saratoga: Britsh Setback 1778 France Enters the War Against Britain 1778 George Rogers Clark Attacks the British in Ohio Country 1780 Charleston Falls to the British 1780 Kings Mountain Victory Revives Patriot Hopes 1781 Guilford Courthouse: Costly British Victory 1781 Ninety-Six: Longest Siege of the War 1781 Battle of Cowpens: American Tide Continues 1781 Yorktown: Large British Army Surrenders 1782 Loyalists Leave America 1783 Treaty of Paris Officially Ends the War 1784 American Victory Pushes Indians Farther West 1787 U.S. Constitution Replaces Articles of Confederation