The Roman History · Amm. 17.5.1

In the consulship of Datianus and Cerealis, when all arrangements in Gaul were made with more careful zeal than before, and while the terror caused by past events still checked the outbreaks of the barbarians, the king of the Persians, being still on the frontiers of those nations which border on his dominions, and having made a treaty of alliance with the Chionitæ and the Gelani, the most warlike and indefatigable of all tribes, being about to return to his own country, received the letters of Tamsapor which announced to him that the Roman emperor was a suppliant for peace.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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