梁启超在《论纪年》一文中说:“齐(召南)氏《纪元编》所载年号,合正统僭伪计之,不下千余.即专以史家所谓正统者论,计自汉孝武建元(以前无年号)以迄今光绪,二千年间,而为年号者,三百十有六.今试于此三百十六之中,任举其一以质诸学者,虽极淹博者,吾知其不能具对也.于是强记纪元遂为谈史学者一重要之学科,其糜脑筋于无用亦甚矣.”(《饮冰室合集·文集之九》)诚如梁氏所说,中国历史悠久,帝王众多,年号繁杂.在学习研究以及教学中国古代史中,随时都可遇到.因此,如何弄清楚帝王的年号,也是一个相 In his article On Lunar New Year, Liang Qichao said: “The titles contained in the” Epoch Times “of Qi (Zhaonan) coincide with the orthodoxy of the orthodoxy tradition, and no less than a thousand, that is, the so-called orthodoxy theory of historians, Since the reign of Emperor Xiaowu (formerly No New Year’s) to date Guangxu, two thousand years, but for the new year, three hundred and ten have six .Today in this three hundred and sixteen, to give it a quality scholars, though Therefore, Jiang wrote that the Era of the Book of Migrants was an important subject for the historians of history, and its use of the militar brain was very useless. ”(“ Drinking Ice Collection, Collected Works of Nine ”) As Liang argues, China has a long history, numerous monarchs, and numerous and complicated nationalities, and can encounter any time in the study, study and teaching of ancient Chinese history. Therefore, how to find out the emperors’ title is also a phase