The accession of Septimius Severus (197 – 235) made him the first of the Imperial Severan Dynasty to rule (197 – 235). He was replaced by Caracalla, Macrinus, Elagabalus and Alexander Severus. The Severan Dynasty of Rome -first Barbarians attack- THAT ROME was under attack, on Empire lineup 200 A.D. that as Barbarians, attack the Empire, so leading to stressful times for the Romans. As a consequence of these constant wars the army was very expensive to maintain, and thus the Empire became crippled with debts. The absolute power of Rome, capital of the Empire, was weakened over time. Between 235 and 300 Rome’s only priority was to defend its borders from the continuous attacks by the Barbarians and from the Sasanians (from Persia). The pressure of these raids prompted the army to assume power in 235. This era is known as the military anarchy. https://www.preceden.com/timelines/38194-roman-empire-timeline-septimius-severus--severus-alexander--severan-dynas...