From marching with Martin Luther King Jr. in Selma to socking a racist cop for trying to keep her from the polls, Annie Lee Cooper fought for the rights of Black Americans with ferocity.

Known as the “Incubator Doctor,” Martin Couney was a controversial figure in the early 20th century. But today, he’s recognized as a hero who saved thousands of vulnerable infants.

In 2017, historians thought that they'd hit the jackpot with this collection of Nazi artifacts. Two years later, they were revealed to be fakes.