Jews wearing Star of David badges, Lodz Ghetto, Poland. The Nazis forced Jews into over-crowded ghettos from which thousands were deported to the death camps. (circa 1940). (Photo by Jewish Chronicle/Heritage Images/Getty Images)

Jews wearing Star of David badges, Lodz Ghetto, Poland. The Nazis forced Jews into over-crowded ghettos from which thousands were deported to the death camps. (circa 1940). (Photo by Jewish Chronicle/Heritage Images/Getty Images)