Original: Spandau Prison was a prison situated in the borough of Spandau in western Berlin, constructed in 1876 and demolished in 1987 after the death of its last prisoner, Rudolf Hess, to prevent it from becoming a neo-Nazi shrine.
Simplified: The prison was built in 1876 and knocked down in 1987 after the death of its last prisoner, Rudolf Hess. This was to stop it from becoming a neo-Nazi shrine.