were people killed in this revolution?
Yes, from 300 thousand to 500 thousand deaths.
Cultural Revolution
 Researchers have pointed out that the nationwide death toll in violent struggles ranges from 300 thousand to 500 thousand.
who was yu-chien kuan? was a Chinese-born German sinologist, writer and translator. where was he born? In Guangzhou, Guangdong, Republic of China. why did he escape? He was targeted for persecution in the Cultural Revolution and his marriage had failed. what was this revolution about? It was a sociopolitical movement. can you mention any person related to it? Mao Zedong. what happened on may 16? A document summarizing Mao's ideological justification for the Cultural Revolution was released.
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Cultural Revolution [SEP] Violent Struggles, Struggle sessions, and purges
Violent Struggles, or "Wudou", were factional conflicts (mostly among Red Guards and "rebel groups") which began in Shanghai and then spread to other areas of China in 1967. It brought the country to the state of civil war. Weapons used in armed conflicts included some 18.77 million guns (some claim 1.877 million), 2.72 million grenades, 14,828 cannons, millions of other ammunitions and even armored cars as well as tanks. Notable violent struggles include the battles in Chongqing, in Sichuan, and in Xuzhou. Researchers have pointed out that the nationwide death toll in violent struggles ranges from 300 thousand to 500 thousand.