Before Theodoric became King
1. 375-450: Ostrogoths were ruled by Huns
2. When Attila the Hun died, King Theodemir established the Ostrogoth Kingdom
3. Byzantine emperor Leo the Thracian exerted his dominance over the Ostrogoths and signed a treaty with King Theodemir
4. Theodoric was held hostage by the Byzantine
5. Byzantine Emperor Zeno supported him to depose Odoacer in Italy