The Tang governor of Annan, Zhang Zhou, struck back, recovered the lost counties and took 30,000 prisoners with a son of the Cham king and 59 officials; Harivarman's inscriptions still claimed victory over the Chinese.
War
Zhang Zhou defeats Huanwang
- 809 CE
- Southeast Asia
Meanwhile, elsewhere
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- 9th century – 10th century CEHungarian conquest of the Carpathian BasinEurope
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