The Open Letter to the 16th National Congress of the Communist Party of China was a petition from political activists in the People's Republic of China which urged the Chinese Communist Party to introduce political reforms.
There were 192 signatories to the letter[1] of a letter in November 2002, which was posted on the Internet calling on the 16th National Congress of the Communist Party of China to introduce political reforms.
The Chinese authorities reacted to its publication with an immediate clampdown and arrest of the more prominent political activists who had signed the letter.
The following notable co-signatories, He Depu, Jiang Lijun, Zhao Changqing, Ouyang Yi, Sang Jiancheng, Han Lifa, and Dai Xuezhong, have been tried for "subversion"[2].