Timeline of the Tibetan Empire

See also: Timeline of the Era of Fragmentation

This is a timeline of the Tibetan Empire from 6th to 9th century.

Tibetan Empire at its greatest extent in 790

7th century

Year	Date	Event
618		The 32nd king Namri Songtsen dies and his son Songtsen Gampo succeeds him, at which point their kingdom is known as "Tibet" to foreigners, and still as "Bod" to Tibet's inhabitants.[1][2]
621		Narendradeva of Nepal's Licchavi kingdom exiles to Tibet[3][4]
622		Princess Bhrikuti Devi of Nepal's Licchavi becomes first wife of Songsten Gampo, brings statue Jowo Mikyo Dorje to Tibet[3]
627		Tang dynasty and Uyghur forces engage in battle with the Turks and Tibetans[5][6]
634		Songtsen Gampo of the Tibetan Empire sends an embassy to the Tang[7]
		Songtsen Gampo of the Tibetan Empire annexes Zhangzhung[4]
637		Songtsen Gampo of the Tibetan Empire defeats Tuyuhun and subjugates the Tanguts and White Wolf people[8]
638		Tibetan attack on Songzhou: Songtsen Gampo of the Tibetan Empire attacks the city of Songzhou (now modern Songpan in Sichuan)[9]
		Minister Gar Tongtsen Yulsung of the Tibetan Empire arrives in Tang to ask for a princess bride[10]
640		Minister Gar Tongtsen Yulsung of the Tibetan Empire arrives in Tang with tribute and successfully requests for a princess bride[11]
641		Songtsen Gampo of the Tibetan Empire sends Narendradeva back to Nepal's Licchavi kingdom with an army, and establishes him as king and Tibetan subject[3][9]
		Princess Wencheng, an imperial sororal kin of the Tang dynasty, arrives in Tibet as Songtsen Gampo's fourth wife[12]
648		Songtsen Gampo of the Tibetan Empire attacks Arjuna, usurper of Harsha of Mithila, for accosting the Tang ambassador Wang Xuance[13]
649		Songtsen Gampo dies and his grandson Mangsong Mangtsen succeeds him; Minister Gar Tongtsen Yulsung becomes regent[14]
655		Minister Gar Tongtsen Yulsung of the Tibetan Empire writes a code of laws[15]
656		Tibetan Empire attacks Lesser Bolü[16]
		Tibetan Empire defeats the Bailan tribe[17]
660		Minister Gar Tongtsen Yulsung of the Tibetan Empire defeats Tuyuhun, conquers Wakhan, and their Turkic allies attack Shule. The Tang army under Su Dingfang withdrew and did not engage in combat[16][18]
663		Tibetan Empire conquers Tuyuhun and attacks Khotan but is repelled[19][16]
665		Tibetan Empire and Turkic allies attack Khotan[16]
667		Minister Gar Tongtsen Yulsung dies[20]
670		Battle of Dafei River: Minister Gar Trinring Tsendro of the Tibetan Empire destroys Tang general Xue Rengui's allegedly 100,000 strong army, captures Kucha, and attacks Aksu[21][22]
673		Tang recaptures Kucha[23]
676		Tibetan Empire attacks Diezhou, Fuzhou, and Jingzhou. Fengtian and Wugong are sacked.[24]
677		Mangsong Mangtsen dies and his son Tridu Songtsen becomes emperor.[25]
		Tibetan Empire captures Kucha[26][16]
678		Minister Gar Trinring Tsendro of the Tibetan Empire defeats a Tang army northeast of the Amdo region[22]
679		Tang general Pei Xingjian defeats the Tibetan Army and re-establishes control over the Western Regions[26][16]
680		Tibetan Empire captures of the fortress of Anrong in Sichuan[22]
681		Tibetan Empire invades the Amdo region but is defeated by a Tang army[27]
687		Tibetan Empire establishes control over the Western Regions[28]
690		Minister Gar Trinring Tsendro of the Tibetan Empire defeats Tang general Wei Daijia's army at Issyk-Kul[28]
692		Tang forces reconquer the Four Garrisons of Anxi from Tibetan Empire[29]
694		Tibetan Empire attacks the Stone City and suffers a defeat[30][31]
696		Tibetan Empire defeats the Tang army at Taozhou and attacks Liangzhou[31]
699		Minister Gar Trinring Tsendro dies in a confrontation with the emperor Tridu Songtsen, and Tsendro's army exiles to Tang[32]

8th century

Year	Date	Event
700		Tridu Songtsen of the Tibetan Empire attacks Hezhou and Liangzhou[33]
701		Tridu Songtsen of the Tibetan Empire allies with Turks and attacks Liangzhou, Songzhou, and Taozhou[33]
702		Tibetan Empire attacks Maozhou[34]
703		Tridu Songtsen of the Tibetan Empire subjugates the White and Black Mywa of Nanzhao[34]
704		Tibetan Empire attacks Termez[35]
		Tridu Songtsen dies and his son Lha of Tibet succeeds him[36]
705		Khri ma lod dethrones Lha of Tibet and installs Me Agtsom, another son of Tridu Songtsen
710		Tibetan Empire conquers Lesser Bolü[37]
		Princess Jincheng, a great-granddaughter of Emperor Gaozong of Tang, is sent to Tibet as a bride; the Tibetans are granted Jiuqu (九曲), the land north of the Yellow River in Gansu by Emperor Ruizong of Tang[38]
		Zhang Xuanbiao of the Tang dynasty invades northeastern Tibet[39]
714		Tibetan Empire attacks Lintao and Weiyuan as well as Lanzhou and Weizhou, but ultimately suffers a major defeat and is repelled[40]
715		Tibetan Empire attacks Fergana, a Tang vassal,[41] and the Beiting Protectorate and Songzhou[42]
717		Tibetan Empire attacks Aksu and the Stone City.[43][44]
720		Tibetan Empire seizes the Stone City[45]
722		Tang frees Lesser Bolü[45]
723		Princess Jincheng writes to Lalitaditya Muktapida of the Karkoṭa Empire asking for asylum. In response he contacts the Zabulistan and forms an alliance against the Tibetan Empire.[46]
726		Takdra Khönlö of the Tibetan Empire attacks Ganzhou but most of their forces die in a snowstorm and the rest are mopped up by Tang general Wang Junchuo[47]
727		Takdra Khönlö and Cog ro Manporje of the Tibetan Empire and their Turgesh allies attack Kucha[41] and Guazhou and Suzhou[48][47]
728		Tibetan Empire attacks Kucha[41]
729		Zhang Shougui (張守珪) inflicts a major defeat on the Tibetan Empire at Xining[49][48]
734		Tang and Tibetan Empire demarcate their territory at Chiling Mountain with a boundary tablet[50]
737		Tibetan Empire conquers Lesser Bolü[43]
		Hexi jiedushi Cui Xiyi makes a covenant with the Tibetan general in Koko-nor, Yilishu, to relax border defenses so their soldiers can engage in agriculture and animal husbandry. A white dog is sacrificed to seal the covenant.[51]
738		Tang captures and loses Anrong to the Tibetan Empire[52]
739		Tang scores a major victory against the Tibetan Empire at Shanzhou[52]
740		Tang captures Anrong from the Tibetan Empire[53][54]
741		Tibetan Empire attacks Tang in the Qinghai region but is repelled; the Tibetans sack the Stone City on their way back[55]
742		Huangfu Weiming of Longyou and Wang Chui of Hexi invade northeastern Tibet and kill several thousand Tibetans[56]
743		Huangfu Weiming invades Tibet and recovers the Jiuqu (九曲) area from the Tibetan Empire[55]
745		Huangfu Weiming attacks the Tibetan Empire at the Stone City and suffers a major defeat[55][57]
747		Tang captures Lesser Bolü[41]
749		Longyou defense command under Geshu Han attacks Tibetan Empire and retakes the Stone City but suffers heavy casualties[58][53]
753		Geshu Han ejects the Tibetans from the "Nine Bends" region on the upper course of the Yellow River[53]
755		Me Agtsom is murdered by his ministers and his son Trisong Detsen succeeds him[59]
757		Tibetan Empire conquers Shanzhou[60]
763		Tibetan Empire conquers Karasahr[61] and invades the Tang dynasty with an army of 100,000 and briefly occupies Chang'an for 15 days before retreating[58][62]
764		Tibetan Empire invades the Tang dynasty with a 70,000 strong army and takes Liangzhou[63] but is repulsed by Yan Wu in Jiannan[64]
765		Tibetan Empire invades the Tang dynasty with 30,000 troops and Uyghur allies, advancing as far as Fengtian twice but is repulsed by Guo Ziyi, who convinced the Uyghurs to switch sides[58]
766		Tibetan Empire conquers Ganzhou and Suzhou[63]
776		Tibetan Empire conquers Guazhou.[63]
781		Tibetan Empire conquers Hami.[61][63]
783		Tibetan Empire and Tang sign the Treaty of Qinshui, ending further hostilities[63]
784		Tibetan Empire aids Tang in crushing Zhu Ci's rebellion in return for ownership of the Anxi Protectorate and Beiting Protectorate;[65] Tang breaks their promise to cede their protectorates to the Tibetan Empire and as a result the Treaty of Qingshui is annulled[65]
786		Tibetan Empire conquers Yanzhou and Xiazhou, Linzhou, and Yinzhou[66]
787		Buddhism becomes the official religion in Tibet[67]
		Tibetan Empire double crosses Tang at the Treaty of Pingliang and captures many of the Tang officials and military leaders present[68]
		Tibetan Empire destroys Yanzhou and Xiazhou before abandoning them[68]
		Tibetan Empire captures Dunhuang[69] and Kucha[61]
788		Tang defeats the Tibetan Empire at Xizhou[70]
789		Tibetan Empire attacks Longzhou, Jingzhou, and Bingzhou[71]
790		Tibetan Empire conquers Tingzhou[61][72]
792		Tibetan Empire conquers Gaochang and Khotan[61][72]
		Uyghur Khaganate evicts Tibetans from Gaochang, Kucha, and Karasahr[73]
793		Tang general Wei Gao destroys 50 Tibetan strongholds and defeats a 30,000 strong Tibetan army, recovering Yanzhou[70]
794		Trisong Detsen abdicates and his son Muné Tsenpo succeeds him<[74]
796		Tibetan Empire attacks Qingzhou but the campaign abruptly ends when chief minister Nanam Shang Gyaltsen Lhanang dies[70]
797		Trisong Detsen dies

9th century

Year	Date	Event
800		Sadnalegs becomes emperor of Tibet[75][76]
801		Nanzhao and Tang forces defeat a contingent of Tibetan and Abbasid slave soldiers.[77]
808		Uyghur Khaganate captures Liangzhou[78]
		The Chuy branch of Shatuo Turks are defeated by the Tibetan Empire and move to Inner China[79]
809		Tibetan Empire attacks Uyghur ambassadors to Tang[80]
810		Tibetan Empire raids the Abbasid Caliphate[81]
813		Uyghur Khaganate crosses the Gobi Desert and attacks the Tibetans[80]
814		Al-Ma'mun of the Abbasid Caliphate invades the Tibetan Empire in Wakhan and Gilgit, where they capture a Tibetan commander and Tibetan cavalrymen, who they send back to Baghdad[82]
815		Sadnalegs dies and his son Ralpacan succeeds him<[75][76]
816		Tibetan Empire attacks the Uyghur Khaganate capital of Ordu-Baliq but fails to make it there[83]
819		Tibetan Empire attacks Qingzhou[84]
821		Changqing Treaty: Tang and the Tibetan Empire sign a treaty of non-aggression with the Tang recognizing Tibet's ownership of the Western Regions as well as the Longyou and Hexi regions in what is now Gansu Province[85]
		Tibetan Empire attacks Tang but are driven off by the governor of Yanzhou[86]
823		The Tang-Bo huimeng bei (Stele of the Tang-Tibetan alliance) is set up in Lhasa[87]
838		Ralpacan dies and his brother Langdarma succeeds him[88]
842		Langdarma dies and the Tibetan Empire enters its Era of Fragmentation[89]
843		Karasahr and Kucha are occupied by the Kingdom of Qocho[89]
847		Tibetan troops raid the Hexi Corridor but are defeated by Tang troops at Yanzhou[90]
848		Zhang Yichao, a resident of Dunhuang, rebels and captures Shazhou and Guazhou from the Tibetans[90]
849		Tibetan commanders and soldiers in seven garrisons west of Yuanzhou defect to the Tang[90]
850		Zhang Yichao takes Hami, Ganzhou and Suzhou[91]
851		Zhang Yichao captures Gaochang and Khotan becomes independent[92]
866		Tibetans retreat to the Tibetan plateau[93]

See also

• Timeline of the Tang dynasty