augustus = 27-14
tiberius = 14-37
caligula = 37-41
claudius = 41-54
nero = 54-68
galba = 68-69
otho = 69
vitellius = 69 na otho
vespasianus = 69-79
titus = 79-81
domitianus = 81-96
nerva = 96-98
trajanus = 98-117
hadrianus = 117-138
antoninus pius = 138-161
marcus aurelius = 161-180
commodus = 180-192