Hetepsejemuy was the first pharaoh of the II dynasty of Egypt; reigned c. 2828-2800 B. c. Its name means "The two powers are at peace", which seems to allude to the termination of the struggles between Lower Egypt and Upper Egypt (12 mayo 2828 año aC – 10 mar 2800 año aC)
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fecha:
12 mayo 2828 año aC
10 mar 2800 año aC
~ 28 years