Under Galba, to the general astonishment, at the end of 68 he was chosen to command the army of Lower Germany, and here he made himself popular with his subalterns and with the soldiers by outrageous prodigality and excessive good nature, which soon proved fatal to order and discipline.
There is more than one meaning of Galba discussed in the 1911 Encyclopedia.
The body-guard of Augustus, consisting of foreign soldiers (chiefly Germans and Batavians), abolished by Galba, was revived from the time of Trajan or Hadrian under the above title.
The construction of the coast road, the Via Severiana, from Ostia to Tarracina, added to the importance of the place; and the beauty of the promontory with its luxuriant flora and attractive view had made it frequented by the Romans as early as 200 B.C. Galba and Domitian possessed country houses here.
Sulpicius Galba and others, and along with it the development of prose composition, went on with increased momentum till the age of Cicero.