character. It derives from the cognomen of Julius Caesar
, the Roman dictator
. The change from being a familial name to a title adopted by the Roman Emperor
s can be dated to about AD 68/69, the so-called "Year of the Four Emperors
Although the etymology of the name of Julius Caesar
is not known with certainty, many scholars believe that it was simply a use of the Latin expression caesar meaning hairy. The Julii Caesares were a specific branch of the gens
69 Lucius Calpurnius Piso Licinianus is appointed by Galba to deputy Roman Emperor.
285 Diocletian appoints Maximian as Caesar and co-ruler.
285 Diocletian appoints Maximian as Caesar, co-ruler.
286 Roman Emperor Diocletian raises Maximian to the rank of ''Caesar''.
293 Roman Emperors Diocletian and Maximian appoint Constantius Chlorus and Galerius as ''Caesares'', thus beginning the Tetrarchy.
317 Crispus and Constantine II, sons of Roman Emperor Constantine I, and Licinius Iunior, son of Emperor Licinius, are made ''Caesares''
335 Dalmatius is raised to the rank of Caesar by his uncle Constantine I.
351 Constantius II elevates his cousin Gallus to Caesar, and puts him in charge of the Eastern part of the Roman Empire.
355 Roman Emperor Constantius II promotes his cousin Julian to the rank of Caesar, entrusting him with the government of the Prefecture of the Gauls.