During an emperor's reign, were coins (i.e. sestertii) minted the year they became emperors, the year they stopped being emperors, or right in the middle?
I have read one brief account of military planning around the time of Roman emperor Constantine the Great (272 – 337) whereby the Roman navy's rowers could have been substituted by animals (source ...
I have always been impressed by the elegance, symmetry (and relative modesty) of the tetrarchy founded by Roman emperor Diocletian (245 - 316). Is it something that was invented at the time or does ...