Statistics for occurrence #1 of “Asia” in book 3, chapter 138 of Herodotus, The Histories:
...take Gillus back to Tarentum. They obeyed Darius; but they could not persuade the Tarentines, and were not able to apply force.
This is what happened, and these Persians were the first who came from Asia into Hellas, and they came to view the country for this reason.
...