20th anniversary of the 1989 Tiananmen Square protests protests of 1989, thousands of students and protests had gathered in Tiananmen square, when troops opened fire. An unknown number of people were wounded or died in the incident. As the People's Republic of China has publicly embraced the one country, two systems model of governance for Hong Kong, the annual 4 June observance which has become a tradition since 1989 has continued after the transfer of sovereignty from Britain to China. It is the only place on Chinese soil where the event is openly commemorated in any way and on any scale. The 20th anniversary was commemorated in the
20th anniversary of the 1989 Tiananmen Square protests of the 1959 Tibetan uprising, the 20th anniversary of the Tiananmen Square protests, and the 10th anniversary of the banning of the Falun Gong. The project established branches at every level of government, and was carried out in part through increased surveillance of potential dissidents. Among those who had been arrested were several human rights lawyers who had signed Charter 08 – including Tang Jitian, Lan Xuezhi, and Pu Zhiqiang; Jiang Tianyong, Li Heping, Li Xiongbing and Li Fangping were put under surveillance. Peter Simpson of the "Daily Mail" reported a huge security presence in Tiananmen, and all around Beijing,