Paleolithic or old stone age from the first production of stone artifacts
Zheng He belongs to the Ming dynasty.
Answer: After three days of holding their own against the Persian king Xerxes I and his vast southward-advancing army, the Greeks were betrayed, and the Persians were able to outflank them. Sending the main army in retreat, Leonidas and a small contingent remained behind to resist the advance and were defeated.
