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.
Empress Zhang (Liu Shan's second wife) Empress Zhang (birth and death dates unknown), personal name unknown, was an empress of the state of Shu Han in the Three Kingdoms period. She was a daughter of the Shu general Zhang Fei and a younger sister of Empress Jing'ai. In 237, she became an Imperial Consort (貴人) of the Shu emperor Liu Shan. In the first lunar month of 238, she became the empress, succeeding her elder sister, who died in the previous year. In 264, after Shu was conquered by the rival state of Cao Wei, Empress Zhang accompanied her husband to the Wei capital Luoyang.