Complex sentence: The Caistor-by-Norwich astragalus reading raihan "deer" is notable as the oldest inscription of the British Isles, dating to 400 A.D., the very end of Roman Britain and just predating the modifications leading to futhorc.
Split into simpler sentences: The Caistor-by-Norwich astragalus reading raihan "deer" is notable as the oldest inscription of the British Isles, dating to ca. AD 400, the very end of Roman Britain and just predating the modifications leading to futhorc.