Human: When did the Battle of Fort McHenry take place? Assistant: 
The Battle of Fort McHenry took place on September 13-14, 1814. This battle was part of the War of 1812 between the United States and Great Britain. During this war, the British tried to blockade Baltimore Harbor and attack Fort McHenry, but the fort’s cannons were able to repel the attack. The fort’s flag was later flown above the fort during the Star Spangled Banner, and it is still flying today.