An American helicopter pilot during the Vietnam War, Hugh Thompson Jr. threatened his fellow soldiers at My Lai that he would shoot them if they didn't stop killing civilians.

Before dying on May 2, 2016, Afeni Shakur was a political activist who took on the NYPD while facing a 350-year sentence — and pregnant with Tupac.

Throughout the 17th century, Italian Baroque painter Artemisia Gentileschi created stunning works depicting female revenge in the face of male oppression.

After the Persians invaded her lands around 530 B.C.E., Queen Tomyris vowed to give their king his fill of blood. And she kept that promise.

Just a year after she was born in 1902, Albert Einstein's daughter Lieserl Einstein suddenly vanished from the historical record — and until 1986, no one even knew she existed.

In 20th-century America, the brown paper bag test was used to deny some Black people access to positions of privilege if their skin tone was darker than a paper bag.

In 1913, Leo Frank was found guilty of killing 13-year-old Mary Phagan, even though no physical evidence linked him to the crime. Two years later, a mob lynched him for it.

The Jane Collective helped more than 10,000 Chicago-area women get safe, affordable abortions between 1969 and 1973 while dodging law enforcement along the way.

On August 31, 1997, Princess Diana was killed in a car crash while trying to escape the paparazzi — but some people think it was no accident.

In the 19th century, Manuelita Sáenz shirked convention for noblewomen of her time by becoming a colonel in the fight for South American independence.

Also known as La Maupin, Julie D'Aubigny was famous for her beautiful voice in the world of French opera, but she was also a formidable fencing master.