The History of the Gadsden Flag

The Gadsden Flag is visually striking because of its bright yellow field. The image of a coiled rattlesnake was the first of these elements to be associated with America. In 1751, colonists were bristling over the British practice of shipping convicted felons to the 13 colonies. How Stuff Works spoke with John Hartvigson, former president of the North American Vexillological Association and consultant at Colonial Flag.