Fort McHenry Baltimore MD Fort McHenry at Baltimore MD is the location of the battle in the War of 1812 where Francis Scott Key wrote our national anthem, The Star Spangled Banner. Francis Scott Key sculpture with the US flag in 1814. Every morning at 10 AM, the rangers have a ceremony to raise the flag at the historic fort. On the morning we were there they raised a very large flag. There is a much larger flag that is raised on days when the winds are not too strong. Audience patriciates in raising the flag. Entry gate. Historic buildings in the fort. Captain’s quarters. General George Armstead was the commander at Fort McHenry. The magazine.