Around 103 AD wrote highly of the "noble savage Germans." Known for notorious quote that Germans were "not mixed at all with other races," all having the same physical appearance: blue eyes, red/blonde hair, and huge frames.
9 AD ambush and decimation of Roman troops attempting to quash a rebellion purported by the German Hermann/Arminius to be happening Almost every Roman foothold east of the Rhine was destroyed in the aftermath.
They were all settled by the Romans as launching points eastward across the Rhine to conquer Germany
A fortified Roman border encompassing southwest Germany. Follow the Rhine south from the Netherlands until Mainz, then take the Main river to the Donau (Danube) at Regensburg via the Regnitz through Nürnberg and the Main-Donau Kanal. Romans ruled the southern partition
Augustus' step-son who invaded Germany in the 10s and 00s BC. Stopped when reaching the Elbe.
The proverbial north-south border within Germany
Julius Caesar in the 50s BC deemed everything east of the Rhine "German", while the West, more friendly to Romanization, lied the Gauls