140 Wall built by Antoninus across Britain.
169 Death of Polycarp the Martyr; Age of Galen (physician).
180 Marcus Aurelius (emperor) dies at Sirmium.
192 The Emperor Commodus slain; Pertinax succeeds him.
194 Severus defeats Niger at Issus; becomes emperor.
210 Wall built across Britain by Severus; 218 Heliogabalus emperor.
226 Artaxerxes founds second Persian empire; Dynasty of the Sassanides begins.
238 Maximinus killed by his own soldiers before the walls of Aquileia. This emperor was a monster of cruelty, and of gigantic size and strength, being eight feet high.
259 Sapor I captures the emperor Valerian, and flays him alive; Odenatus king of Palmyra; Gallienus succeeds Valerian.
267 Odenatus dies; Zenobia, his wife, assumes the title of Queen of the East.