Battle of Baltimore Navy inspired Francis Scott Key to compose the poem "Defence of Fort McHenry", which later became the lyrics for "The Star-Spangled Banner", the national anthem of the United States of America. Future President James Buchanan served as Private in the defense of Baltimore. Until April 1814, Great Britain was at war with Napoleonic France, which limited British war aims in America. During this time the British primarily used a defensive strategy and repelled American invasions of the provinces of Upper and Lower Canada. However, the Americans gained naval control over Lake Erie in 1813, and seized parts of western Ontario.
USS Whetstone (LSD-27) from the 1770s and the previous site of later Fort McHenry reconstructed beginning in 1798 was named for James McHenry, third Secretary of War under Presidents George Washington and John Adams. The star-shaped fort which defended Baltimore, Maryland from British assault with a two-day bombardment in 12–14 September 1814, during the War of 1812. The poem "Defence of Fort McHenry" when set to music inspired the national anthem, "The Star-Spangled Banner" written as a poem by Francis Scott Key from an off-shore truce ship downriver. USS "Whetstone" was laid down on 7 April 1945 at the Boston Navy Yard; launched