Thirty-seven years ago, China's military violently ended pro-democracy protests in Beijing's Tiananmen Square. The government has never released a full death toll, with estimates ranging into the thousands. This event, marked by student-led demonstrations and a government crackdown, remains a sensitive topic in China. Landmark dates leading up to the crackdown are detailed.

The 1989 crackdown reinforced a political order that made independent worker organizing nearly impossible. The effects have been felt across the global economy.

Chinese authorities are intensifying efforts to erase the memory of the 1989 Tiananmen Square crackdown