When? From the time of Julius Caesar on, there were many, many men who tried to claim control. You have to be more specific as to the time you are asking about.
The Roman Empire fell a long time ago, and no longer exists. Benito Mussolini tried to bring it back, during WW II, but he failed.
Justinian I.
It was Julian the Apostate who tried to revive the worship of the old Roman gods and bring the empire back to the original Roman values.
------------------------------------------------------------------------------- The Roman Empire is said to have begun when the Senate granted the title Augustus to Octavian on January 4, 27 BC. The date of the fall of the Roman Empire is usually given as 476 AD, though the empire did not really fall on that date. The Roman Empire divided and was reunited several times, the last division being in 395. The event of 476 was the abdication of the last Emperor of the West, in favor of the Emperor of the East. But the West Roman Empire had already become a chaotic mess and never recovered. The emperors of the East Roman Empire tried to reconquer the West, but never got very far. The East Roman Empire finally fell in 1453. Our current historians refer to the East Roman Empire from about 500 AD to 1453 as the Byzantine Empire. ---------------------------------------------------------------------------------------
they came and fought them.
It affected the holy roman empire by German emperors tried to control the church officials, nobles and popes. In which revolved into conflicts when it was time to select certain church official, and monarchs.
If you mean the Roman emperor, who tried price controls, it was Diocletian.
The two emperors who tried to restore order in the Roman Empire were Diocletian and Constantine I (or the Great).
Constantine
Diocletian
In an age without mechanical transport and electronic communication, it was near impossible to control an empire stretching from the Atlantic to the Middle East, so he tried splitting it into manageable sectors.
One way that Diocletian tried to save the Roman Empire was by dividing the Empire into two halves, West and East.
The Roman Empire fell a long time ago, and no longer exists. Benito Mussolini tried to bring it back, during WW II, but he failed.
He woulda sucked his balls
Napoleon tried to censor and control the newspapers, and free speech was not slowed in France or the French Empire.
Justinian I.
Because Justinian the emperor of the Byzantine emperor in the beginning tried to rebuild the Eastern empire. He reunited the empire. Doing so he simplified the law codes, endorsed building programs, and built off of the old Roman empire.