This is the English version of this article translated by Patrick Hogan. The original Italian version was written by Antonella Ippolito and first published on 16/02/2006.
Here is the Italian version of this entry.
The dating of Pius remains essentially uncertain; the activity of the grammarian was initially dated shortly before the end of the 2nd c. CE (A. Gudeman, Scholien, RE 2A 1 , 662), a hypothesis shared also by Hiller (Pius, 1869, pp. 93ff.); Richter (Interpr. Gr., 1…