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INTRODUCTION.
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days, and days only. Years are specified according to their order in the reign of the sovereign to whom they are referred. Such specification of years in it, however, is rare. Before the Han dynasty a list of sovereigns, and of the
Ancient length of their several reigns, was the only method of method which the Chinese had of determining determining the duration of their national history. And the length of Chinese it would still be a satisfactory method, if we history.
%. had a list of sovereigns, and of the years that each reigned, that was complete and reliable. But we do not have this. Even in the early part of the Han dynasty, Sze-mà Khien's father and himself, in their Historical Records, completed about B. C. 100, were obliged to content themselves with giving simply the names and order of most of the rulers of Shang and Hsia. It is right to state also that in A. D. 279, when the grave of king Hsiang of Wei (died in B. C. 295) was opened, there were found a number of bamboo tablets in it, written in the ancient seal characters, among which the most valuable portion was a book of annals, beginning with the reign of Hwang Tỉ, and coming down to the sixteenth year of the last king of Kâu, B.C. 299. This work is still current under the name of the Annals of the Bamboo Books. The chronology derived from it is shorter than the received system by rather more than 200 years.
If in any of the classical books of the Kâu dynasty we had a statement of the length of the national history from any given era to the time of the writer, the notice would be exceedingly valuable; or, if the length of the reigns of the sovereigns of Shang and Hsiâ, cursorily mentioned in it, were correctly given, we should be in a position to make an approximate computation for ourselves. But there are only two passages in all those books which are helpful to us in this point. The former of them is in a narrative in Zo Khid-ming's supplement to the Spring and Autumn, under the third year of duke Hsuan, where it is said that the dynasty of Shang possessed the throne for 600 years. The other passage is the last chapter of the works of Mencius, where that philosopher says that from Yâo and Shun to Thang '- a period including all the dynasty of Hsia —
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