Security was tight in Hong Kong and activists faced pressure from police on the 36th anniversary of China's bloody 1989 crackdown on pro-democracy demonstrators in Tiananmen Square, which Taiwan and the United States said must never be forgotten.

For most Chinese, the 36th anniversary of a bloody crackdown that ended pro-democracy protests in China has passed like any other weekday. And that’s just how the ruling Communist Party wants it. Security

The party has tried, with some success, to erase what it calls the “political turmoil” of 1989 from the collective memory.