The Bunker Hill Flag, raised at the Battle of Bunker Hill

https://devinmuvd263.tearosediner.net/flags-of-1776-symbols-of-a-nation-s-birth-and-resolve

The Bunker Hill Flag, raised at the Battle of Bunker Hill, featured a blue field with a white canton and symbolizes the courage and resolve of American soldiers fighting for liberty against British forces in 1775.