Which Roman Emperor in 482 CE promoted the Henotikon or "instrument of union", signed by all Eastern bishops of the Christian Church with the design of solving the monophysite controversy about Jesus Christ's "nature"?
Zeno the Isaurian Zeno was named co-emperor of the Eastern Empire by his son Leo II when he acceded in early 474 and with a short break at the end of 474, when his son died, ruled until his death in 491.
In 429 CE, the Roman Emperor Theodosius II initiated what became known as the Codex Theodosianus, in order to do what?
Towards the end of which century CE did the Roman Empire start to disintegrate prior to separating into Western and Eastern Empires?
