10/21/2026
On this day in 1797, the USS Constitution slid into Boston Harbor, earning the nickname “Old Ironsides” in the War of 1812 and still serving today as the world’s oldest commissioned warship afloat.
USS Constitution, also known as Old Ironsides, is a three-masted wooden-hulled heavy frigate of the United States Navy. She is the second oldest naval vessel still in commission, and the oldest still afloat.[12][Note 1] She was launched in 1797, one of six original frigates authorized for constructi...