By 285 CE the Roman Empire had grown so vast that it was no longer feasible to govern all the provinces from the central seat of Rome. The Emperor Diocletian divided the empire into halves with the Eastern Empire governed out of Byzantium (later Constantinople) and the Western Empire governed from Rome.
Digestion time varies between individuals and between men and women. After you eat, it takes about six to eight hours for food to pass through your stomach and small intestine. Food then enters your large intestine (colon) for further digestion, absorption of water and, finally, elimination of undigested food.