The Roman History · Amm. 27.10.6

Accordingly, a vast force was collected from all quarters, well furnished with arms and supplies of provisions, and the count Sebastian having been sent for with the Illyrian and Italian legions which he commanded, as soon as the weather got warm, Valentinian, accompanied by Gratian, crossed the Rhine without resistance. Having divided the whole army into four divisions, he himself marched with the centre, while Jovinus and Severus, the two captains of the camp, commanded the divisions on each side, thus protecting the army from any sudden attack.

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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