Harsh or Harshavardhana (हर्षवर्धन) (590–647) was an Indian emperor who ruled Northern India for over forty years. He was the son of Prabhakar Vardhan and younger brother of Rajyavardhan, a king of Thanesar. At the height of his power his kingdom spanned the Punjab, Bengal, Orissa and the entire Indo-Gangetic plain north of the Narmada River.
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