The American revolution timeline By 895619 Apr 22, 1765 Parliament imposed the stamp Act on the colonies Sep 5, 1774 The colonies organized the first continental congress Jun 17, 1775 Battle of bunker hill Jul 4, 1776 The second continental congress approved Feb 6, 1780 France joins the Americans Oct 19, 1781 General Cornwall was forced to surrender to the America, so the British decided to end the war Sep 3, 1783 The treaty of Paris recognized the independent of the American colonies Feb 21, 1787 Delegates met in Philadelphia at the constitution convention to revise the article of confederation