As a symbol of the tiananmen square protests, the image of the spread everywhere. so, the chinese government censored this image in chinese .

Internet censorship is tightened during this time of each year  not only to prohibit discussion of the brutal crackdown on  the pro-democracy protest that happened 27 years ago, but to erase the incident from chinese history, especially among  younger generations.

The american anti-slavery society (aass) (1833–1870) was an abolitionist society founded by william lloyd garrison, and arthur tappan. frederick douglass, an escaped slave, was a key leader of this society who often spoke at its meetings.