Was there a Massacre done by the Communist? Or were all protesters gathered up and arrested?
No one knew about the details, but were sure that every Chinese media were all shut out about this topic.
You could lose your head mentioning this issue in China, even today.
And Westerners also have agreed that mass slaughter could have or did happened, and it changed China, The Tienanmen Square episode reverberated around the world. Pressuring China to open up it's policies towards global trade and westernization.
Check this video, being one of the most iconic moments in modern history, how one individual can stand up against an iron fist, this man could have been dead by now or maybe alive somewhere, but he did sent a message to every government around the world, a very strong message:
Heroes - The Tank man - YouTube