When Marcus Aurelius finally died in...
In May 193 Septimius Severus invaded...
Following the fall of Pescennius...
In late 296 war broke out between...
In 297 Diocletian took command in...
When the Western Augustus...
Diocletian and Maximian both retired...
In 359 the important fortress of...
In 367 an apparent alliance of...
After dispatching Count Theodosius...
In 383 the Roman legions in Britain...
