But in China the Communist Party made sure the anniversary remained a distant memory, detaining several activists in the run-up to June 4 while popular livestreaming sites conspicuously shut down for "technical" maintenance.
Searches by AFP for the term "Tiananmen" on the Twitter-like Weibo platform on Tuesday displayed the official logo of the 70th anniversary of the founding of Communist China.
Over the years, the party has censored any discussion of the protests and crackdown, which left hundreds, possibly more than 1,000 people, dead -- ensuring that people either never learn about what happened or fear detention if they dare discuss it openly.