At the beginning of the 7th century AD, it was during the Zhenguan period of Emperor Taizong of Tang Dynasty. At this time, the 32nd generation Zanpu Songtsen Gampo of the Snowy Plateau completed the great task of unifying various tribes and established the Tubo Dynasty. He sent envoys to ask Tang for marriage, but did not receive approval. Songtsen Gampo's military invitation to marry was once again rejected by Emperor Taizong of Tang. He then condemned his confidant, Grand Minister Lu Dongzan, to continue his marriage
At the beginning of the 7th century AD, it was during the Zhenguan period of Emperor Taizong of Tang Dynasty. At this time, the 32nd generation Zanpu Songtsen Gampo of the Snowy Plateau completed the great task of unifying various tribes and established the Tubo Dynasty. He sent envoys to ask Tang for marriage, but did not receive approval. Songtsen Gampo's military invitation to marry was once again rejected by Emperor Taizong of Tang. He then condemned his confidant, Grand Minister Lu Dongzan, to continue his marriage