Marcus Aurelius

• 25-February-0138 : Roman emperor Hadrian adopts Antoninus Pius on condition that Antoninus adopt Marcus Annius Aurelius Verus.
• 07-March-0161 : Roman emperor Antoninus Pius dies and is succeeded by Marcus Aurelius who shares imperial power with Lucius Verus, although Marcus retains the title Pontifex Maximus.
• 27-November-0176 : Commodus becomes cocoemperor to his father, Marcus Aurelius.