This 1912 photo was taken outside the woman suffrage headquarters in Cleveland, Ohio. Far right in the photo is Miss Belle Sherwin, President, National League of Women Voters.

Protesting the death of Alton Sterling and the Baton Rough Police Department’s request for Black Lives Matter demonstrators to clear roadways, Iesha Evans stands in the middle of a street as two Louisiana state troopers, dressed in riot gear, approach to arrest her.

In 1920, Tennessee lawmaker Harry Burn followed his mother’s advice on a controversial vote—and changed voting rights history.

Frances dreams of swimming with her classmates, but will everyone be welcome at her new community pool?

Richard L. Copley took this photograph in 1968 at the Memphis sanitation workers' strike -- the reason Martin Luther King Jr. was in Memphis on the day he was killed.

Amelia Bloomer was a woman who liked to think, live and even dress unconventionally, and she encouraged other people—particularly women—to do the same.

Alexandra Wallner follows Susan B. Anthony from her birth to her death by detailing her life, goals, hardships and accomplishments.

The freedom riders, black and white, joined together to effect change. Traveling across the South while enduring ridicule and pain, they helped ensure that doors were open to all people, regardless of skin color.

The iconic poster was designed by J. Howard Miller during World War II for Westinghouse Electric. In recent decades, the image has gained wide popularity as an emblem for feminism and various other political and social movements.