Murder of Severus Alexander

Date: March 22, 235 • Location: Rome, Italy

This milestone marked the outbreak and beginning of this historic period, which spanned 235–284.

Roman emperor Severus Alexander is murdered, marking the start of the Crisis of the Third Century.

Marcus Aurelius Severus Alexander, also known as Alexander Severus, was Roman emperor from 222 until 235 AD. He was the last emperor from the Severan dynasty and, at the age of 13, became the youngest sole emperor of the united Roman Empire.