After Mariya Oktyabrskaya's husband died in battle during World War 2, she became a tank driver in the Red Army.

"Six Chinese guys made it off the Titanic alive and 24 hours later were written out of the story."

The Inventor of Monopoly Elizabeth Magie designed the game to reveal the dangers of land-grabbing, but we all learned the wrong lesson from it.

George Fitzhugh was a slave-owner and sociologist who had some oddly egalitarian defenses of chattel slavery.

When the Bear River Massacre ended in Preston, Idaho on January 29, 1863, hundreds lay dead — hundreds who are largely forgotten today.

How Elizabeth Van Lew, a woman born to wealthy Virginia slaveholders, became one of the Union's most important spies.

In 1991, excavators discovered a burial ground in lower Manhattan. Today, it's the African Burial Ground National Monument.

Maria Mendl was a violent female guard who rose the ranks at the infamous Nazi concentration camp Auschwitz. She was known for her quick temper, cruel punishments, and ruthless beatings, all of which earned her the nickname "The Beast."

Meet Havelock Ellis, the man who wrote the first English medical textbook on homosexuality — all the way back in 1897.

While Emma Darwin's marriage to first cousin Charles Darwin may have been a happy one, it demonstrated the dark consequences of inbreeding.

Vivien Thomas did groundbreaking work in the field of cardiac medicine. Incredibly, he had no medical degree.