The confrontation unfolded shortly after noon. A long column of tanks was proceeding east along Chang'an Avenue when the man stepped into the road and refused to move. When the lead tank tried to steer around him, he shifted to block it again. The tank stopped. The man then did something that still astonishes: he climbed onto the hull and appeared to speak with the crew inside before climbing back down and resuming his position in the road. The tanks, perhaps twenty in the column, sat motionless. For those few minutes, the mathematics of power -- steel versus flesh, institution versus individual -- inverted completely. The column could have rolled forward. It did not.

Five photographers captured the scene from hotel rooms and balconies overlooking the avenue. Stuart Franklin, on assignment for Time magazine, watched from the Beijing Hotel alongside Charlie Cole. Franklin's film was smuggled out of the country by a French student who concealed it in a box of tea. Jeff Widener, working for the Associated Press, was injured, ill with the flu, and nearly out of film when an American exchange student named Kirk Martsen handed him a roll of Fuji 100 ASA film. Martsen then smuggled the exposed roll to the AP's Beijing office. The resulting images were broadcast worldwide and became among the most recognized photographs in history. Time included the "Unknown Rebel" in its 100 most influential people of the twentieth century. Life magazine featured the photograph in its 2003 book 100 Photos That Changed the World.

His identity remains unknown. The London Sunday Express circulated the name Wang Weilin shortly after the incident, describing him as a 19-year-old student, but internal Chinese Communist Party documents reportedly indicated that authorities could not locate anyone by that name among the dead or imprisoned. In a 1990 interview with Barbara Walters, General Secretary Jiang Zemin said, "I think he was never killed." A decade later, speaking to Mike Wallace, Jiang stated, "He was never arrested. I don't know where he is now." In 2017, a report from Apple Daily suggested the man's real name might be Zhang Weimin, a native of Beijing's Shijingshan district, though this too remains unconfirmed. The uncertainty is itself the point: Tank Man's power as a symbol derives partly from his anonymity. He could be anyone. That is what makes the image universal.

Inside China, the photograph and the events it represents are subject to rigorous censorship. Most young Chinese people do not recognize the image. On the anniversary of the protests in 2021, Microsoft's Bing search engine temporarily censored Tank Man results worldwide, an incident the company attributed to "accidental human error." Outside China, the image has permeated art, music, theater, and political discourse. David Crosby sang about it. Lucy Kirkwood wrote a play about it. When a photoshopped version replaced the tanks with rubber ducks in 2013, China's Sina Weibo blocked searches for "big yellow duck." The lengths to which the image must be suppressed are themselves a measure of its power. A man with shopping bags stopped a column of tanks, and more than three decades later, the act still demands a response.