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
Defend Tiananmen Square Headquarters Headquarters. Defend Tiananmen Square Headquarters established a variety of measures to protect students protesting in Tiananmen Square. Their first was the installation of a broadcasting system for establishing authority and issuing instructions to protestors. The system was used for a final time on June 3 to report the first acts of violence occurring on the square’s surrounding streets, and to prompt the Hunger Strikers to remain passive. The system’s use quickly expanded beyond its original purpose. In his memoir, Li Lu notes that early on June 3 the system was used to pacify agitated students by playing Beethoven, with the