On June 4, 1989, thousands of students and citizens filled Tiananmen Square, demanding democracy, free expression, and an end to government corruption. What began as a peaceful call for change soon became a nationwide movement. In response, the government imposed martial law and sent in the military. Tanks advanced, shots were fired, and unarmed civilians were struck down. The true death toll is still unknown - and inside China, the event remains heavily censored. A moment the world remembers...