:crown:Diocletian restored stability to a chaotic Roman Empire.
:crossed_swords:He divided the empire into eastern and western halves and ruled the east.
:coffee:Diocletian rejected karanus's authority and selected Maximian as his co-emperor.
:world_map:He established Nicomedia as the new capital of the eastern half of the empire.
:building_construction:Diocletian's rule and reforms laid the foundation for the Byzantine Empire.