For hundreds of years, flags have been symbols of national identity all over the world. As a symbol of freedom and democracy, the American flag has been an especially powerful beacon of hope for some people and an unpleasant reminder of American imperialism for others. Besides being flown atop public buildings and in public squares, flags have been wielded by the military, by explorers, and displayed prominently in parades on Memorial Day, Veterans Day, and Independence Day.

The first flag that flew in America was the British Union Jack, a combination of the white St. Andrew's cross and the Red St. George's cross. Another flag in use before the Revolution was the British Red Ensign, which featured a field of red with the Union Jack in the canton (the upper right corner).

The war that broke out in 1775 brought a disdain for what was now the enemy flag...