Then Augustus called for Publius Quinctilius Varus to present himself ... crickets. Then he asked about the XVII, XVIII & XIX Legions and ... crickets.
[snip] The Romans did later recover the lost legions’ eagles, one each in 15 AD, 16 AD and 42 AD. [/snip]
https://en.wikipedia.org/wiki/Publius_Quinctilius_Varus
A few years later Arminius was chased down, his forces got their asses handed to them, he fled like the coward he was, and eventually the Roman price on his head resulted in his killing by the kinsmen with whom he was staying.
They were on holiday!