Stage that once hosted William Shakespeare found, claims Norfolk theatreStage that once hosted William Shakespeare found, claims Norfolk theatre External linkSt George's Guildhall in King's Lynn is the oldest working theatre in the UK, dating back to 1445. During recent renovations, floorboards were found under the existing auditorium, and they have been dated back to the 15th Century.TagsarcheologyshakespearetheatreContent typeLINK