The Whiskey Rebellion begins on September 11, in Washington County, Pennsylvania when a federal tax collector is tarred and feathered to protest to the excise tax on liquor. The Rebellion ends on June 5, 1794 when Congress modifies the tax law.
Shay's Rebellion, led by Daniel Shay, an indebted western Massachusetts farmhand, poses the first challenge to the authority of the United States government. The Rebellion begins on August 29 and is defeated on February 3, 1787.