Fort Mc ‧ Hen ‧ ry /ˌfɔːt məkˈhenri $ ˌfɔːrt-/ BrE AmE
a ↑ fort in the ↑ harbour of Baltimore, Maryland. During the War of 1812, Francis Scott Key saw the American flag flying there after a battle, and this made him write the American national song, ‘The Star-Spangled Banner’.