Which Greek Stoic philosopher mentioned two of the four subgroups of the Helvetians that failed in their migration attempt to Gaul?
Posidonius Posidonius (Greek: Ποσειδώνιος, "Poseidonios", meaning "of Poseidon") "of Apameia" (ὁ Ἀπαμεύς) or "of Rhodes" (ὁ Ῥόδιος) (c. 135 BCE – c. 51 BCE), was a Greek Stoic philosopher, politician, astronomer, geographer, historian and teacher native to Apamea, Syria.
Ancient Thessaly Thessaly or Thessalia (Attic Greek: Θεσσαλία , "Thessalía" Aeolic Greek (Thessalian): Πετθαλία , "Petthalia") was one of the traditional regions of Ancient Greece. During the Mycenaean period, Thessaly was known as Aeolia, a name that continued to be used for one of the major tribes of Greece, the Aeolians, and their dialect of Greek, Aeolic.