An-Shi Rebellion in regaining control of his capital Chang'an from the treacherous commander, An Lushan, or his successors in the abortive Yan Dynasty. Abu Jafar al-Mansur responded by sending 4,000 men who helped the Tang troops in recapturing the city and were well rewarded by the Chinese Emperor. After the rebellion was repressed they were allowed to settle down permanently in China which helped in founding of the earliest Muslim communities in China.

In 760, a large scale massacre of wealthy Arab and Persian merchants occurred in China during the Yangzhou massacre (760), at the hands of Chinese rebels led by Tian Shengong. In 879 during the Guangzhou massacre, 120,000 to 200,000 Arab Muslim, Persian Zoroastrian, Jewish, and Christian foreign merchants in Guangzhou were massacred by Chinese rebels under Huang Chao.

https://en.wikipedia.org/wiki/Battle_of_Talas

remélem érted mi van odaírva, idealista