arger Context The American Revolution was a political upheaval that took place between 1765 and 1783 during which colonists in the Thirteen American Colonies rejected the British monarchy and aristocracy, overthrew the authority of Great Britain, and founded the United States of America. The American Revolution was a struggle between the 13 American colonies and Great Britain. The American colonies wished to gain independence from British rule and create a new sovereign nationthe United States. The American Revolution began in 1775, when the colonists took up arms against the British in the battles of Lexington and Concord. The war continued for eight years, with the Americans eventually gaining their independence in 1783.2 Causes of the Revolution The American Revolution was caused by a variety of factors, including political