William Careless who aided Charles II in his escape, the protection of George I against anti-Catholic legislation. In 2013 a memorial plaque to William Careless (as William Carlos) was attached to the base of a statue of Charles II, by Grinling Gibbons, in the grounds of the Royal Hospital Chelsea. Oak Apple Day or Royal Oak Day was a national holiday celebrated in England for a number of centuries, on 29 May, to commemorate the restoration of the English monarchy. The oak symbolism referenced Careless' successful ploy of hiding Charles II in the oak tree at Boscobel. A commemorative medal was struck
Oak apple Oak apple Oak apple or oak gall is the common name for a large, round, vaguely apple-like gall commonly found on many species of oak. Oak apples range in size from in diameter and are caused by chemicals injected by the larva of certain kinds of gall wasp in the family Cynipidae. The adult female wasp lays single eggs in developing leaf buds. The wasp larvae feed on the gall tissue resulting from their secretions. Considerable confusion exists in the general "literature" between the oak apple and the oak marble gall. The oak marble is frequently called the oak apple