Taiwan's Lai, Rubio vow to 'never forget' Tiananmen victims
Chinese troops and tanks forcibly cleared peaceful protesters from Beijing's Tiananmen Square on June 4, 1989, after weeks-long demonstrations demanding greater political freedoms.
The exact toll is unknown but hundreds died, with some estimates exceeding 1,000 people.
China's communist rulers have since sought to erase any public mention of the crackdown.
"Authoritarian governments often choose to be silent and forget history; democratic societies choose to preserve the truth and refuse to forget...