Year Emperor Year Emperor Year Emperor
23 B.C Augustus 217 Macrius 305-307 Flavius Severus
14A.D Tiberius 218 Elagabalus 308-324 Licinus
37 Gaius(Caligula) 222 Severus/Alexander 306-337 Constantine I
41 Claudius 235 Maximin/Thrax 337-340 Constantine II
54 Nero 238 Gordian I, II, III 337-350 Constans
68-69 Galba 244 Philip and others 337-361 Constantius II
69 Otho and Vitellius 249 Decius and others 361-363 Julian
69 Vespasian 253 Gallienus and others 363-364 Jovian
79 Titus 268 Claudius II 364-375 Valentinian
81 Domitian 269 Aurelian and others 364-375 Valens
96 Nerva 275 Tacitus 367-383 Gratian
97 Trajan 276 Probus 375-393 Valentinian II
117 Hadrian 282 Carus 379-395 Theodosius I
138 Antoninus Pius 283 Carinus and Numerian 385-388 Maximus
161-180 Marcus Aurelius * * 392-394 Eugenius
176-192 Commodus 284-305 Diocletian 395-423 Honorius
193 Pertinax 286-305 Maximian 425-455 Valentinian III
193-211 Septimus Severus 293-296 Constantius Chlorus 457-474 Leo I
198-217 Caracella 293-311 Galerius 475-476 Romulus Augustulus
