烏思藏; Wūsīzàng) for "Central Tibet", and the Chinese terms Tǔbō or Tǔfān (吐蕃) for the historical Tibetan Empire and Xīzàng (西藏; 'Western Tsang') for the
Tubo (Chinese: 吐蕃; or Tǔbō, 土蕃 or Tǔfān, 土番). This name first appears in Chinese characters as 土番 in the 7th century (Li Tai) and as 吐蕃 in the 10th century
The Era of Fragmentation (Tibetan: སིལ་ཆད་དུ་འཆད་པ; Chinese: 吐蕃分裂時期) was an era of disunity in Tibetan history lasting from the death of the Tibetan Empire's