1970s: The women's movement and ethnic minority Civil Rights movements that emerged during the 1960s refine their goals and strategies for change, with women of color participating in academic feminist efforts to correct a white, middle-class bias.

Today: Feminism is a complex set of competing and overlapping theories and practices that take race, class, gender, and sexuality into consideration.

1970s: Feminists begin campaigning for social welfare bills that will allow women equal success in the workforce. For example, they advocate for preschool programs for children and parental leave from work for the first few months after childbirth.

Today: A law requiring employers of fifty or more workers to allow twelve weeks of unpaid leave to employees with a newborn child or an ill family member is in effect.

1970s: César Chávez, a Latino activist for farmworkers' rights, is at the...