Portal:United States/Anniversaries/August/August 22
- 1777 – American Revolutionary War: Benedict Arnold used a ruse to convince the British that a much larger force was arriving, causing them to abandon the siege of Fort Stanwix (reconstructed fort pictured).
- 1851 – The yacht America won the Cup of One Hundred Sovereigns.
- 1902 – The Cadillac Motor Company is founded.
- 1963 – X-15 Flight 91 reaches the highest altitude of the X-15 program (107.96 km (67.08 mi) (354,200 feet)).
- 1978 – The District of Columbia Voting Rights Amendment is passed by the U.S. Congress, although it is never ratified by a sufficient number of states.
- 1989 – Nolan Ryan of the Texas Rangers struck out the Oakland Athletics' Rickey Henderson, becoming the only pitcher in Major League Baseball to record 5,000 strikeouts.