The Bunker Hill Flag, raised at the Battle of Bunker Hill
https://shanelctc462.almoheet-travel.com/changing-patterns-key-milestones-in-the-american-flag-s-evolution
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.