638年
638年 — 中国: The Tibetan Empire attacks the city of Songzhou, now modern Songpan, in Sichuan
事件3条。正文照录原始年表原文，来源见来源与许可。上下灰色行是前后2年的脉络。
| 韩国三国时代 (朝鲜半岛) 公元前57–660 | 中国唐朝 618–907 | 日本飛鳥時代 538–710 | 美国 |
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| - The Tibetan Empire attacks the city of Songzhou, now modern Songpan, in SichuanEN
- 松州之战
- Gar Tongtsen Yulsung of the Tibetan Empire arrives in Tang to ask for a princess brideEN
- 636The Book of Chen, Book of Northern Qi, Book of Zhou, and Book of Sui were compiled.
- 636The Xumi Pagoda was completed.
- 636The fubing system is revised to comprise 634 intrepid garrisons (zhechong fu 折衝府)
- 639Census estimates a total population of 50 million residing within Tang administered territory
- 640Tang campaign against Karakhoja: Tang defeated and annexed Gaochang.
- 640The Protectorate General to Pacify the West was established.
- 640Tang campaign against Karakhoja: Hou Junji conquers Karakhoja and annexes Gaochang (Turpan, Xinjiang); the Protectorate General to Pacify the West is created
- 640Gar Tongtsen Yulsung of the Tibetan Empire arrives in Tang with tribute and successfully requests for a princess bride
| | 1607年起收录 |