<prompt> Translate the following text to SwahiliBy the eighth century, the Byzantines held the balance of power with the Lombards a Germanic tribe, who had invaded Italy in 568 and set up their capital at Pavia four years later.  <response>: Katika karne ya nane, Byzantium ilikuwa na nguvu nyingi kuliko Lombards, ambao walikuwa wamevamia Italia mwaka wa 568 na kuanzisha mji mkuu wao huko Pavia miaka minne baadaye. 