During the African-American Civil Rights Movement in the 1960s, activists participated in a social movement that created a unified atmosphere and advocated goals of social justice and equality.

Throughout the 1970s and 1980s, the member clinics and activists throughout the country participated in the women's health movement, changing the way that women receive health care services in the United States.

In 2010, activist, academic, and author Lawrence Lessig participated in a forum on free culture, copyright, and public art.

More than 300 activists and supporters participated in the convention.

Following an intensive literature search and consumer focus group, a Working Group composed of noted community leaders; activists, professionals, and transgender consumers participated in the development of the Best Practices guide.

Frank Luntz and George Lakoff are exemplary cognitive activists, although most activists participate in cognitive activism to some degree.

On May 28, 2011, Kokesh and other activists participated in a flash mob-silent dance at the Thomas Jefferson Memorial in Washington, D.C. in protest of a recent ruling against dancing in the monument.

Organizations, such as Greenpeace and the World Wide Fund for Nature, as well as members of indigenous communities, activists and artists participated.

LEAD: More than 1,000 anti-nuclear activists participated in a Mother's Day protest at the Nevada Test Site, and the police made at least 746 arrests.