(CNN) -- The soldiers came for her at night. They took the girl to a barrack and forced her to watch a woman get raped.

The drunken men then set loose a dog to rip off the raped woman's breasts. Blood was everywhere. The woman passed out.

The young witness was next. Five soldiers held her down and took turns raping and sodomizing her. They spilled alcohol on her. They laughed. They said they'd kill her. She didn't yet have breasts for the dog to attack.

Later, her sister cleaned her up, but they didn't speak about what had happened. No one talked about such things. They didn't have to. Or maybe they couldn't.

The Congo? The former Yugoslavia? Libya? These allegations might have emerged from conflicts in any of these places.

But this brutal testimony reaches back more than 65 years to the Holocaust -- more than half a century before the United Nations declared rape a war crime.

Stories like this have the power to shock even those who think they know Holocaust history. The reason: They haven't been widely discussed....