Complex sentence: At the end of the third century A.D., the Emperor Diocletian divided the great Roman province of Africa Proconsularis into smaller provinces, including Byzacena, corresponding now to the modern Sahel, region of Tunisia.
Split into simpler sentences: At the end of the third century A.D., the Emperor Diocletian divided the great Roman province of Africa Proconsularis into smaller provinces, including Byzacena. It corresponded to the modern Sahel, region of Tunisia.