Today is Yom HaShoah, the day the Jewish community comes together to remember the 6 million Jewish men, women and children murdered in the Holocaust. It falls on the anniversary of the Warsaw Ghetto Uprising, the largest single act of Jewish resistance during the Holocaust. pic.twitter.com/EamvclArwu

“My father survived Mauthausen,” said Holocaust survivor Sam Ron. “He was in an American military hospital eight months after the war." Sam's father, Jozef, was liberated from Mauthausen concentration camp #OTD in 1945. He is pictured here in the hospital where he recovered. pic.twitter.com/ybwfHCISkJ

We never thought that we'd be free again." —Martin "Marty" Weiss In early May 1945, US troops liberated Gunskirchen, a subcamp of the Mauthausen concentration camp. Marty was one of some 15,000 prisoners liberated there. pic.twitter.com/s2WVLYhTgr

Yom HaShoah, Israel's Holocaust remembrance day, begins this evening. At this critical moment when the memory of the Holocaust is being questioned and denied in new ways, when Jewish people are being harassed, the world must come together to pledge: Never again. #WeRemember pic.twitter.com/vkcyxmViOr