what are the important battles of the american revolution?
['Lexington and Concord, April 1775. ... ', 'Bunker Hill, June 1775. ... ', 'Quebec, December 1775. ... ', 'Charleston, June 1776. ... ', 'Trenton, December 1776. ... ', 'Saratoga, October 1777. ... ', 'Rhode Island, August 1778. ... ', 'Kings Mountain, October 1780.']