In 785, facing defeat by Tang imperial forces, he committed suicide.

However, Tang forces were still not making a true attempt to recapture Chang'an by this point.

The Tang forces missed the opportunity to eliminate the rebels once and for all.

In 661, the Tang forces set off to Goguryeo.

Over 200,000 prisoners were taken by the Tang forces and sent to Chang'an.

Baekje forces tried to prevent Tang forces from landing, but could not.

When winter approached, Tang forces were forced to withdraw.

However, in 671 Silla began fighting the Tang forces there.

The Tang forces were defeated, and the road to the capital now lay open.

Finally, after the eastern capital Luoyang was taken by Tang forces for the second time, in the winter of 762.