What century did Shulgi reign for 48 years?
Babylonian calendar The Babylonian calendar was a lunisolar calendar with years consisting of 12 lunar months, each beginning when a new crescent moon was first sighted low on the western horizon at sunset, plus an intercalary month inserted as needed by decree. The calendar is based on a Sumerian (Ur III) predecessor preserved in the Umma calendar of Shulgi (c. 21st century BC).
Toghon Temür Toghon Temür (Mongolian: Тогоонтөмөр , "Togoontömör"; 25 May 1320 – 23 May 1370), also known by the temple name Emperor Huizong () bestowed by the Northern Yuan dynasty in Mongolia and by the posthumous name Shundi () bestowed by the Hongwu Emperor of the Ming dynasty China, was a son of Khutughtu Khan Kusala who ruled as emperor of the Yuan dynasty. Apart from Emperor of China, he is also considered the last Khagan of the Mongol Empire, although it was only nominal due to the division of the empire at the start of the Yuan dynasty.