March 27
1867
Blacks stage ride-ins on Charleston, SC street cars; 2 months later, railway company integrates.
1966
20,000 Buddhists marched silently for peace in Hue, South Vietnam.

1969
The first Chicano Youth Liberation Conference is held by the Crusade for Justice; the poet known as Alurista presents his poem on the myth of Aztlán, which captures the imagination of the conference.
1979
Nuclear power plant accident at Three Mile Island, PA. (1979)
