His first books covered areas of particular interest – the life of his father-in-law, Agricola; a discussion of oratory and a description of Germania, the Roman frontier on the river Rhine.

During this period, the northern limit of the Roman Empire was the Rhine River, where Roman troops were set up to fend off attacks from Germanic tribes and to launch forays into Great Britain.

who lived at the mouth of the River Rhine. He is very likely to have been a German who was recruited into the Roman army and posted to the Roman fort of Mamucium (Manchester) perhaps some time in ...

Between 58 and 50 BC, Caesar used his expertise in military strategy, along with the Roman army’s training and discipline to conquer and subdue the rest of Gaul, up to the river Rhine.