Yinqueshan Han Slips
The Yinqueshan bamboo texts from the Han Dynasty (Chinese银雀山 汉 简or银雀山 汉 简, Pinyin Yínquèshān Hànjiǎn ) were 1972 in the tombs Nos. 1 and 2 at the foot of Yinqueshan ( " Silver Sparrow Mountain " ), southeast of the Linyi City in Shandong Province discovered. In grave No. 1 4942 bamboo strips closely described were discovered containing parts of known texts as well as a number of previously unknown military texts and texts on divination, one of which has been shown to resemble chapters in the old philosophical works Guanzi and Mozi. The grave owner was identified as an officer with the surname Sima.
The excavated the same year, grave No. 2 contained 32 described bamboo strips, clearly represent sections of a calendar for the 134 BC.
The time of burial for both tombs were dated to about 140 BC and 118 BC Chr./134 BC, the texts were written before on the bamboo strips. After the restoration and proper arrangement of the strips were placed in an order of nine groups and 154 sections. The first group included 13 fragmentary section of Sunzis The Art of War and five undetermined chapters; the second group were the 16 chapters of Sun Bins Art of War, which were missing 1400 years; the third included the seven original and lost chapters from the six strategies ( Tai Gong liutao or Liutao ) (of the were known before this major find just the titles of the lost chapter); the fourth and fifth included five chapters from the Wei Liaozi and 16 chapters from the Yanzi chunqiu; the remaining groups included anonymous writings.