Statistics for occurrence #1 of “Persia” in book 1, chapter 208, section 1 of Herodotus, The Histories:
...ld leave his sovereignty, telling Cambyses to honor Croesus and treat him well if the crossing of the river against the Massagetae should not go well. With these instructions, he sent the two back to Persia , and he and his army crossed the river.
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