During the reign of Gallienus they appear as maritime warriors, and ravage Asia Minor, Greece, and Illyria.
A.D. 269—Are conquered at Naissus, on the western boundary of Mœsia Superior by Claudius.
A.D. 282—Are defeated by Carus.
A.D. 321—Ravage Mœsia (Inferior?) and Thrace.
A.D. 336—Attacked by Constantine in Dacia—north of the Danube.
A.D. 373—In the reign of Valens (as already stated), they were admitted to settle within the limits of the empire.
[§ 73]. Now, although all this explains, how a Gothic language was spoken in Bulgaria, and how remnants of it have been preserved until the nineteenth century, the manner in which the tribe who spoke it reached Marcianopolis, so as to conquer the Emperor Decius, in A.D. 249, is unexplained.
Concerning this there are three opinions—
A. The Baltic doctrine. According to this the Goths migrated from the Baltic to the Mæotis, from the Mæotis to the Euxine, and from the Euxine to the Danube, along which river they moved from east to west.