gdom; he founds the new Persian
kingdom of the Sassanidae.

228. Ulpian, praetorian prefect, endeavors to restrain the licentiousness
of the guards; a mutiny ensues and he is put to death.

229. Dion Cassius having, as governor of Dalmatia and Pannonia, offended
the army by his strictness, the Emperor testifies his approbation by
making him his colleague in the consulship.

230. Artaxerxes, now at the head of a powerful empire and great army,
lays claim to all the former territories of Persia.

231. Alexander Severus, at Antioch, prepares to resist the Persian
demands by arms.

232. After a campaign in Mesopotamia without decisive results, but in
which the Romans claim the victory, Alexander returns to Antioch.

233. Close of the Persian war.

234. Alexander musters his forces in Gaul to repel the German tribes
that had invaded the province.

235. Alexander Severus and his mother, Mamaea, are murdered in a mutiny
of the army, near Mainz (or Mentz).

Maximin is proclaimed emperor.

Ambrosius assists the labors of Origen by paying clerks to copy for
him.

236. Maximin defeats the Germans and drives them across the Rhine.

237. Maximin proceeds to Sirmium, with the design of attacking the
Sarmatians. His ferocious tyranny excites universal horror.

238. A rebellion against Maximin in Africa; Gordian, the proconsul, and
his son are proclaimed emperors; they are overthrown by Capelianus and
slain, Maximus and Balbinus are elected by the senate as joint emperors;
they are murdered by the praetorians. On his march to Rome, Maximin is
assassinated by his soldiers; his son is also slain. The Third Gordian
is associated with Maximus and Capelianus in the empire. The two latter
are slain, and Gordian becomes ruler of the Roman domain.

239. The young emperor of Rome, at first deceived by the eunuchs of the
palace, is extricated from their pernicious influence by Misitheus.

240. Various tribes of Germany confederate under the name of Franks.
This is the first time they are mentioned in history.

241. Victorious advance of Sapor I against the Roman dominions. See
"EVENTFUL REIGN OF SAPOR I, KING OF PERSIA," iii, 277.

242. The Persians are defeated by Gordian; Misitheus, his general,
recovers Mesopotamia. Plotinus accompanies the Roman army, in the hope
of reaching India.

244. Gordian, aged nineteen, is murdered, near Circesium (Carchemish); a
lofty mound is there raised to his memory.

Philip the Arabian b