- Roman Empire - an empire established by Augustus in 27 BC and divided in AD 395 into the Western Roman Empire and the Eastern or Byzantine Empire; at its peak lands in Europe and Africa and Asia were ruled by ancient Rome
--1 is a kind of empire
--1 is a part of Europe; Africa; Asia
--1 has parts:
--1 has member: RomanHoly Roman Empire, First Reich; Byzantine Empire, Byzantium, Eastern Roman Empire; Western Roman Empire, Western Empire