The Battle of Lundy's Lane, also known as the Battle of Niagara, was a battle fought on 25 July 1814, during the War of 1812, between an invading American army and a British and Canadian army near present-day Niagara Falls, Ontario. It was one of the bloodiest battles of the war, and one of the deadliest battles ever fought in Canada, with over 1,731 casualties including 258 killed.