On the death of his father in September 855, he became sole emperor.
Julian would serve as the sole Emperor for two years.
He was associated as co-emperor with his father before 1416 and became sole emperor in 1425.
Her father had become co-emperor in 962, and sole emperor in 1025.
One of the rulers, Maxentius, claimed to be sole emperor.
A player who captures the opponent's sole remaining emperor or prince wins the game.
Julian was sole emperor from Constantius' death until his own death in 363.
Constantine then declared himself sole emperor of a reunited empire (324-337).
On 2 October 829, Theophilos succeeded his father as sole emperor.
Constantine V succeeded his father as sole emperor on 18 June 741.