Constitutional & Federal Era
- Shays Rebellion was an armed uprising in Massachusetts during 1786 and 1787.
- Revolutionary War veteran Daniel Shay led four thousand rebels (called Shaysites) in rising up against perceived economic injustices by Massachusetts.
- The continent-wide shortage of currency, merchants began to demand the same from their local business partners, including merchants operating in the market towns in the state's interior.
- John Hancock, did not impose hard currency demands on poorer borrowers and refused to actively prosecute the collection of delinquent taxes
- The XYZ Affair was a political and diplomatic episode in 1797 and 1798, early in the administration of John Adams, involving a confrontation between the United States and Republican France that led to an undeclared war called the Quasi-War.
- The letters X, Y and Z for the names of French diplomats Hottinguer (X), Bellamy (Y), and Hauteval (Z) in documents released by the Adams administration.
- President Adams learned that Charles CotesWorth Pinckney had been refused as U.S. minister because of the escalating crisis, and that American merchant ships had been seized in the Caribbean.
- was a tax protest in the United States beginning in 1791, during the Presidency of George Washington.
- Throughout counties in Western Pennsylvania, protesters used violence and intimidation to prevent federal officials from collecting the tax.
- The whiskey tax was repealed after Thomas Jefferson's Republican Party which opposed Hamilton's Federalist Party, came to power in 1801.