![Demonstrations in Helsinki, Finland.](/sites/default/files/styles/large/public/Helsinki.jpg?itok=UEFhqFen)
Helsinki Demonstrations
![Striking factory workers in southern France with a sign reading 'Factory Occupied by the Workers' in June 1968.](/sites/default/files/styles/large/public/French_workers_with_placard_during_occupation_of_their_factory_1968.jpg?itok=rmO9wNlG)
French Strike
![The army occupying the Plaza de la Constitución in Mexico City.](/sites/default/files/styles/large/public/1%20Plaza%20de%20la%20constitucion_0.jpg?itok=kpX2dgpc)
Plaza de la Constitución
![Students protesting in September 1968.](/sites/default/files/styles/large/public/6%20everything%20is%20possible.jpg?itok=_zggKOFu)
Everything Is Possible in Peace
![A teacher speaking with soldiers as students demonstrate in the background in July 1968 in Mexico.](/sites/default/files/styles/large/public/8%20student%20demonstrations.jpg?itok=EmUDwMw6)
Student Demonstrations
![A student protester poster referencing the logo design of the 1968 Olympics and military oppression.](/sites/default/files/styles/large/public/10%20student%20protest%20poster.png?itok=9BESWTWN)
Student Protest Poster
![A tank and soldiers meeting student protesters on the Plaza de la Constitución in August 1968.](/sites/default/files/styles/large/public/12%20plaza%20de%20la%20constitucion.jpg?itok=NOu2TO5-)
Plaza de la Constitución
![The logo for the 'Colección M68: Ciudadanías en movimiento' initiative.](/sites/default/files/styles/large/public/18%20coleccion%20m68.jpeg?itok=mA1-A8kg)
Colección M68: Ciudadanías en Movimiento
![A poster for the '50 Years, Tlatelolco, and ‘68 in 2018' conference.](/sites/default/files/styles/large/public/19%2050%20years.jpg?itok=_nyoS4be)
50 Years, Tlatelolco, and ‘68 in 2018
A poster for the “50 Years, Tlatelolco, and ‘68 in 2018” conference.
![Centro de Memoria del 1968.](/sites/default/files/styles/large/public/unnamed-2_1.jpg?itok=dz6Uv22K)
Centro de Memoria del 1968
Centro de Memoria del 1968, the cultural center across the street from the site of the Tlatelolco massacre and the center of commemorative activity in Mexico City (Photo by Elena Albarran).
![U.S. Marines in the ancient imperial capital of Vietnam.](/sites/default/files/styles/large/public/1%20Tet%20Offensive.jpg?itok=g36r3MBW)
Tet Offensive
![A soldier standing guard in Washington, D.C. after riots following the assassination of Martin Luther King, Jr.](/sites/default/files/styles/large/public/9%20Washington%2C%20D.C.%20Riots.jpg?itok=2ieRAD52)
Washington, D.C. Riots
![An edited volume explaining why crises erupted almost simultaneously around the world.](/sites/default/files/styles/large/public/10%20The%20World%20Transformed.jpg?itok=Kz5dlbwL)
1968: The World Transformed
![Huey P. Newton.](/sites/default/files/styles/large/public/11%20Huey%20P.%20Newton.jpg?itok=HlC-ZwFd)
Huey P. Newton
![A Chicago sign as part of Mayor Richard J. Daley’s campaign for a cleaner Chicago in 1968.](/sites/default/files/styles/large/public/13%20Law%20Abiding.jpg?itok=U3XoQP5B)
Law Abiding
![Demonstrators marching on behalf of the Poor People’s Campaign in Washington, D.C. in 1968.](/sites/default/files/styles/large/public/15%20Poor%20people%27s%20campaign.jpg?itok=qGM5hOc-)
Poor People’s Campaign
![Student protesters at the Berlin Institute of Technology in May 1968.](/sites/default/files/styles/large/public/1%20Berlin%20Institute%20of%20tech.jpg?itok=b6XQUGKG)
Berlin Institute of Technology Protest
![A 1965 poster for the Christian-Democratic Union with Kurt Georg Kiesinger.](/sites/default/files/styles/large/public/4%20CDU.jpg?itok=Z5jvCpHj)
Christian-Democratic Union
![Protesters in front of a university building with a sign reading 'we are mourning for Benno Ohnesorg.'](/sites/default/files/styles/large/public/9%20Benno%20Ohnesorg%20Mourning.jpg?itok=LxOqqmiD)
Benno Ohnesorg Demonstration
![Students of Christian-Albrechts University protesting the death of Benno Ohnesorg.](/sites/default/files/styles/large/public/10%20Benno%20Ohnesorg%20Proest.jpg?itok=SLEL-t_y)
Benno Ohnesorg Protest