The Battle of Lundy's Lane, also known as the Battle of Niagara, was 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 fought in Canada, with approximately 1,720 casualties including 258 killed.