History of the Animal Welfare Act (United States)

1960-66

Efforts made toward the enactment of legislation modeled after the Cruelty to Animals Act (United Kingdom, 1876)

1966

LIFE Magazine exposé

1966

Enactment of the Animal Welfare Act (AWA)

1981

Silver Spring monkeys abuse experiment case

1984

Pennsylvania monkey head injury experiments

1985

Amended Animal Welfare Act enacted

Regulation of Animal Experimentation in the United States