Butter rebellion
Jan. 1, 1766
Harvard University
Río Piedras massacre
Río Piedras massacre
Oct. 24, 1935
Río Piedras
April Revolution
April 19, 1960
Tlatelolco massacre
Tlatelolco massacre
Oct. 2, 1968
Plaza de las Tres Culturas
1989 Tiananmen Square protests
1989 Tiananmen Square protests
Jan. 1, 1989
Tiananmen Square
2014 Iguala mass kidnapping
2014 Iguala mass kidnapping
Sept. 26, 2014
Iguala