Statistics for occurrence #1 of “Peloponnese” in book 1, chapter 90, section 2 of Thucydides, The Peloponnesian War:
...so the barbarian, in the event of a third invasion, would
not have any strong place, such as he now had in Thebes, for his base of
operations; and that Peloponnese would suffice for all as a base both for retreat and
offence.
...