So from an ancient perspective, the most successful monarchs were Thutmose III (1479-1425/26 BC) and Amenhotep III (c1391-c1354 BC), as they ruled ancient Egypt at the height of its military, economic and artistic powers.
Another candidate is Ramesses II (1279-1213 BC) – known either as ‘the Great’ or ‘Ozymandias’ in popular culture – who lived into his early 90s and defeated the Hittites at Kadesh in 1274 BC, history’s earliest battle with details of the action.
Arguably, however, it was the second pharaoh of the Fourth Dynasty, Khufu (2589-2566 BC), who left the most lasting legacy. He was the sponsor of the Great Pyramid at Giza, the only one of the Seven Wonders of the Ancient World to survive.
Answer by historian and archaeologist Professor Miles Russell