At the beginning of the 7th Century
At the beginning of the 7th Century, Songtsen Gampo unified more than 10 tribes of Tibet and established Tubo Dynasty. The capital of Tubo Dynasty is Loxie (Lhasa City). In 641, Songtsen Gampo got married with Princess Wencheng of Tang Dynasty, which caused the communication of Tang Dynasty and Tubo Dynasty for more than 200 years since then on.
In AD 710
Princess Jincheng got married with Sadnalegs of Tubo Dynasty in AD 710. Many medical books, artifacts, silks, and some culture were introduced into Tibet region with their marriage.
In AD 822
In AD 822, Tang Dynasty ordered his man to ally with Tubo Dynasty in Lhasa City. The relationship became more acceptable. There were three stone inscriptions for recording this event in Tibet history. The inscriptions witness that great alliance and could be appreciated in front of Jokhang Temple nowadays.
In 842
Internal strife happened in Tubo Dynasty while many fights were caused in the border regions of Tubo Dynasty.
In 1247
In AD 1247, Sakya local regime was established with the effort of the great master of Sakya Sect – Sapan Kongu. Sapan signed an agreement with Mongolian Princess Korui in Gansu Province confirming many local administrative systems. After the establishment of Yuan Dynasty, Tibet region was controlled and governed by the central government as one of the administrative regions.
In AD 1260
In AD 1260, Phags-pa – the great master of Tibet Buddhism was bestowed as the imperial master by Kublai, the fifth emperor of Yuan Dynasty.
In AD 1354
In AD 1354, Pazhu Kargyu regime was established by Gyangqiu Gyantsen instead of Sakya regime and became popular in entire Tibet region. Pazhu Regime was a local political power with the unification of the state and the religions.
In AD 1652
In AD 1652, the 5th Dalai Lama was invited to Beijing by Emperor Shunzhi during Qing Dynasty. Next year, the title of the 5th Dalai Lama was officially acknowledged by Qing Dynasty.
In AD 1713
In AD 1713, Losang Yixi was publicly confirmed as the 5th Panchen Lama by Qing Dynasty. Since then on, most of the areas of Tibet region were controlled by Dalai Lama, and the rest of the areas were governed by Panchen Lama.
In 1727
In AD 1727, the officers of Qing Dynasty were sent on mission to Tibet region to manage the affairs.
In 1750
In AD 1750, the local government of Tibet was officially established by Qing Dynasty. Since then on, Tibet was mostly governed by Dalai Lama and the officers.
In 1792
In 1792, Gurkha (Nepalese) invaded Tibet region but finally beat by Qing Army.
In 1904
Tibet was invaded by British army.
In 1951
After the establishment of the People's Republic of China in 1949, Tibet was liberated soon afterwards with the help of the People's Liberation Army.
In 1965
This year, the first People's Congress of Tibet Autonomous Region was greatly held in Lhasa City. Tibet Autonomous Region was officially acknowledged and established.