Leo I (Greek: Λέων, c. 401 - 18 January 474) Was anEastern Roman emperor from 7 February 457 - 18 January 474. Leo is also nicknamed "The Thracian", "Magnus" in order to distinguish him to his grandson and co-augustus Leo II.
He proved to be a capable emperor of theEastern Empire due to his ambitous political plans and militarily by aiding the rapidly decliningWestern Roman Empire recover lost territories from the Invading and Occupying Germanic tribes.
In 468, theBattle of Cape Bon began which would prove to be a disaster for both Western and Eastern Roman Empire ending hopes for the recovery of africa from the Vandals.