The first celebration of the U.S. Flag's birthday was held in 1877, on the 100th anniversary of the Flag Resolution of 1777. However, it is believed that the first annual recognition of the flag's ...

It might come as a surprise, but U.S. service members weren't technically allowed to unfurl giant U.S. flags at major events, despite the practice's status as a staple of many pregame ceremonies.

Just as the US flag dips to no man or king, and you will see even at the Olympic ceremonies, the American flag is the only one that doesn't dip to the head of state of the host country.