<Ul> <Li> Theodosius I: 394 to 395 Sole emperor </Li> <Li> Honorius: 395 to 423 <Ul> <Li> Flavius Stilicho: 395 to 408 Power behind the throne </Li> <Li> Constantius III: 421 </Li> </Ul> </Li> <Li> Constantine III: 407 to 411 Usurper </Li> <Li> Priscus Attalus: 409 to 410 / 414 to 415 Usurper </Li> <Li> Jovinus: 411 to 412 Usurper </Li> <Li> Valentinian III: 423 to 455 <Ul> <Li> Galla Placidia: 423 to 433 Regent </Li> <Li> Aëtius: 433 to 454 Regent </Li> </Ul> </Li> <Li> Joannes: 423 to 425 Usurper </Li> </Ul> <Li> Theodosius I: 394 to 395 Sole emperor </Li> <Li> Honorius: 395 to 423 <Ul> <Li> Flavius Stilicho: 395 to 408 Power behind the throne </Li> <Li> Constantius III: 421 </Li> </Ul> </Li> <Ul> <Li> Flavius Stilicho: 395 to 408 Power behind the throne </Li> <Li> Constantius III: 421 </Li> </Ul>

What were some differences between the byzantium empire and the holy roman empire