The Roman History · Amm. 29.6.17

While these events were agitating the empire, and while Claudius was prefect of the Eternal City, the Tiber, which intersects its walls, and which, after receiving the waters of many drains and copious streams, falls into the Tyrrhenian Sea, overflowed its banks, in consequence of an abundance of rain, and extending to a size beyond that of a river, overwhelmed almost everything with its flood.

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
Passage preview. Read in context for the complete text, notes and references.