Battle of Cooch's Bridge

(Wikipedia) - Cooch’s Bridge, located at Old Baltimore Pike, Newark, Delaware, is the site of the historic Battle of Cooch’s Bridge.
Fought on September 3, 1777, the Battle of Cooch's Bridge has two principal distinctions. It was the only battle of the American Revolutionary War fought on Delaware soil, and marked the first time that the Stars and Stripes was flown in battle. (Note: The claim about the flag is highly disputed and is not supported by any hard historical evidence.)
The battle was fought between British and Hessian troops under Generals Cornwallis, Howe, and Knyphausen and the Colonial troops under General Washington. Continued

Image: "Brandywine Flag," Wikipedia