What century did Shulgi reign for 48 years?
Shulgi Shulgi ( Šulgi, formerly read as Dungi) of Ur was the second king of the "Sumerian Renaissance" in the Third Dynasty of Ur. He reigned for 48 years, from c. 2029 – 1982 BC (short chronology). His accomplishments include the completion of construction of the Great Ziggurat of Ur, begun by his father Ur-Nammu.
Huai of Xia Huai (; read Hui according to Sima Zhen) was the eighth king of the semi-legendary Xia dynasty of ancient China, who possibly ruled 44 years. His other name is Fen (芬).