What year did the USS Constitution earn its famed nickname during the War of 1812?

The USS Constitution earned its famed nickname, "Old Ironsides," during the War of 1812, specifically in the year 1812. This nickname originated from the ship's impressive ability to withstand enemy fire; the thick wooden hull made it appear as though cannonballs bounced off its sides, resembling iron. The term became popular following a specific battle on August 19, 1812, when the Constitution defeated the British ship HMS Guerriere. The victory and the ship’s resilience during combat endeared it to the American public, cementing its reputation and leading to the affectionate nickname.