 It was created in more or less its current form in 1974, and is the only one of the large county units created at that time to have been carried forward intact at the 1996 local government re-organisation.It comprises three historic counties, namely Montgomeryshire, Radnorshire, and most of Brecknockshire.There are 950 Scheduled monuments within the county, which is far more than can be sensibly covered in one list.