The famous leader who declared "Give me liberty, or give me death" during the American Revolution was Patrick Henry. This phrase was part of a speech he delivered on March 23, 1775, at the Second Virginia Convention. Henry advocated for armed resistance against British oppression, emphasizing the need for immediate action in the face of injustice. His passionate rhetoric inspired many colonists, contributing to the growing sentiment for revolution. Patrick Henry became a prominent figure in American history, known for his commitment to individual freedom and his role in the push for independence from British rule.