<Ul> <Li> Constantius II 351--361 (Eastern Emperor: 337--351, Sole Emperor: 351--361). <Ul> <Li> Julian: 355--361 </Li> </Ul> </Li> </Ul> <Li> Constantius II 351--361 (Eastern Emperor: 337--351, Sole Emperor: 351--361). <Ul> <Li> Julian: 355--361 </Li> </Ul> </Li> <Ul> <Li> Julian: 355--361 </Li> </Ul> <Li> Julian: 355--361 </Li>

What became of the eastern roman empire after the collapse of the western roman empire