Timeline of the American Revolution — timeline of the political upheaval culminating in the 18th century in which Thirteen Colonies in North America joined together for independence from the British Empire, and after victory in the Revolutionary War combined to form the United States of America. The American Revolution includes political, social, and military aspects. The revolutionary era is generally considered to have begun with the passage of the Stamp Act in 1765 and ended with the ratification of the United States Bill of Rights in 1791. The military phase of the revolution, the American Revolutionary War, lasted from 1775 to 1783.
American Civil War
1860 United States presidential election
The election of Abraham Lincoln in November 1860 was the final trigger for secession.[109] Southern leaders feared that Lincoln would stop the expansion of slavery