The American Crisis is a pamphlet series by 18th century Enlightenment philosopher and author Thomas Paine, originally published from 1776 to 1783 during the American Revolution. Often known as The American Crisis or simply The Crisis, there are 16 pamphlets in total.[1] Thirteen numbered pamphlets were published between 1776 and 1777, with three additional pamphlets released between 1777 and 1783.[2] The first of the pamphlets were published in Pennsylvania Journal.[3] Paine signed the pamphlets with the pseudonym, "Common Sense."