A book exploring the various social and political movements of the 1960s, including the Civil Rights Movement, the anti-war movement, and the counterculture.
The Pentagon Papers are classified documents leaked by Daniel Ellsberg in 1971 which revealed the hidden history of U.S. decision-making in Vietnam. (Fueled a lot of social unrest)
A photograph released from Jilin Provincial Archives on January 7, 2014. According to Xinhua Press, the photo "shows personnels of 'Manchukuo' attend a 'plague prevention' action which indeed is an bacteriological test directed by Japan's 'Unit 731'…