The three flags represent the three countries that controlled the fort over time. White is the French Marine flag, USA 15 star (and stripe) flag was in place during the War of 1812, and the British Union Jack flag.
The three flags represent the three countries that controlled the fort over time. White is the French Marine flag, USA 15 star (and stripe) flag was in place during the War of 1812, and the British Union Jack flag.