Statistics for occurrence #1 of “Thermopylae” in book 11, chapter 4, section 1 of Diodorus Siculus, Library:
...to forestall them in occupying the passes at the narrowest part of
the defile and to prevent the barbarians from advancing against Greece; for they were eager to throw their protection inside of Thermopylae about those who had chosen the cause of the
Greeks and to do everything in their power to save the allies.
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