The Charter of the Forest is sealed at St Paul's Cathedral, London by King Henry III, acting under the regency of William Marshall, 1st Earl of Pembroke which re-establishes for free men rights of access to the royal forest that had been eroded by William the Conqueror and his heirs.

The Charter of the Forest of 1217 re-established rights of access for free men to the royal forest that had been eroded by King William the Conqueror and his heirs. Many of its provisions were in force for centuries afterwards. It was originally sealed in England by the young King Henry III, acting under the regency of William Marshal, 1st Earl of Pembroke.