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.
Flag Day (United States) the national anthem, a parade and other events. The Star-Spangled Banner Flag House in Baltimore, Maryland birthplace of the flag that a year later inspired Francis Scott Key (1779–1843), to pen his famous poem, has celebrated Flag Day since the inception of a museum in the home of flag-banner-pennant maker Mary Pickersgill on the historic property in 1927. The annual celebrations on Flag Day and also Defenders Day (September 12, since 1814) commemorates the Star-Spangled Banner and its creator Mary Pickersgill, for the huge emblem that flew over Fort McHenry guarding Baltimore harbor during the British Royal Navy's three days