On what date did the he Maryland 400 repeatedly charge a numerically superior British force?
Maryland 400: The Maryland 400 were members of the 1st Maryland Regiment who repeatedly charged a numerically superior British force during the Battle of Long Island during the Revolutionary War, sustaining heavy casualties, but allowing General Washington to successfully evacuate the bulk of his troops to Manhattan. Battle of Long Island: The Battle of Long Island is also known as the Battle of Brooklyn and the Battle of Brooklyn Heights. Battle of Long Island:  It was fought on August 27, 1776 and was the first major battle of the American Revolutionary War to take place after the United States declared its independence on July 4, 1776.
August 27, 1776