Historical Events in 474 AD Jan 18 Leo II briefly becomes Byzantine emperor Feb 9 Zeno crowned as co-emperor of the Byzantine Empire together with his son Leo II Famous People Who Died in 474 AD Jan 18 Leo I, Byzantine Emperor (b. 401) Feb 3 Leo I, Byzantine Emperor (457-74), dies Nov 17 Leo II, Byzantine Emperor (474), dies 473 AD History by Year 475 AD