The Battle of Brooklyn references a battle during the Revolutionary War that was fought on whta date?
Battle of Brooklyn (college rivalry):  The name of the rivalry is in reference to the first major battle of the American Revolutionary War, the Battle of Brooklyn. 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