I do not want to argue with you, cause we are all be the Chinese, It is certainly cannot say that because you are the Tibetan so you understand Tibet the past. Why did you say Tibet was a country since old times? When does Tibet have its own independent political power? In 1271, the Mongol Khanate decided the dynasty name for the Yuan, and unified the entire China in 1279, established the unified central political power, Tibet has become under the China Yuan Dynasty central authorities government direct government a administrative division. In 1368 the Ming Dynasty establishment, Ming Dynasty government carried on Yuan Dynasty to govern Tibet the system, south three th Dalai Lama rope fine handled to the bright seat of monarchical government pays tribute, obtains the Ming Dynasty central award. In 1644 the Qing Dynasty substitution Ming Dynasty, the administration over Tibet was stricter, causes the central authorities to exercise the sovereignty jurisdiction administration further institution in Tibet by low. In 1727, the Qing Dynasty set up high commissioner stationed in Tibet, represented central supervises the Tibet local administration. 1911, the Chinese outbreak of the Revolution of 1911, the establishment of the Han, Manchu, Mongolian, Hui, Tibetan and other ethnic. In 1929 set up the Mongolian and Tibetan committee, responsible Tibetan nationality, the Mongolian nationality and so on the national minority area administration matters concerned. In 1940, the national go