Police warn families of Tiananmen crackdown dead not to visit graves on 37th anniversary Chinese authorities suppressed any efforts to observe the anniversary of the 1989 Tiananmen Square crackdown. This action is part of an ongoing campaign to remove the event from public consciousness. The government has tightened controls to erase historical memory of the protests and subsequent military action.

• Chinese authorities prevented any commemorations of the 1989 Tiananmen Square anniversary.
• This action is a continuation of efforts to erase the event from public memory.
• The crackdown represents a tightening of government controls over historical narratives.