2. Tank man
In the morning of June 5, 1989, when the Chinese military had suppressed the Tiananmen Square protest, a man protested against them by stood up against the column of tanks. Though a newspaper claimed that his name was Wang Weilin and he was a student, but the Communist party of China rejected this news. They declared the man didn’t arrested and have no idea about him. Still, there is no reliable information about that man and its fate.