civil rights movement

Short definition from Wiktionary

Noun

1. 1
   Any of a number of movements against systemic oppression in various different countries, but especially
2. 2
   Any of a number of movements against systemic oppression in various different countries, but especially: A social and political movement in the United States between 1954 and 1968 that aimed to end racial segregation, discrimination, and disfranchisement.
3. 3
   Alternative form of civil rights movement.