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
1989 Tiananmen Square protests temporary withdrawal from Tiananmen Square to re-group on campus, but this was opposed by 'hardliner' student factions who wanted to hold the Square. The increasing internal friction would lead to struggles for control of the loudspeakers in the middle of the square in a series of 'mini-coups': whoever controlled the loudspeakers was 'in charge' of the movement. Some students would wait at the train station to greet arrivals of students from other parts of the country in an attempt to enlist factional support. Student groups began accusing each other of ulterior motives such as collusion with the government and trying