The solemn commemoration came amid a worldwide spike in antisemitism and new surveys suggesting basic knowledge of the Holocaust is eroding.

Over 1.1 million people were murdered at Auschwitz, including nearly a million Jews. On the day of liberation 80 years ago, only 7,000 were saved.

Survivors of the Nazi's notorious Auschwitz death camp are taking center stage at the memorial service to mark 80 years since its liberation by Soviet troops.

Silence pervades the site of Auschwitz-Birkenau today. Sometimes the only sounds are the soft footsteps of visitors, people who come from all over the world to mourn and to learn, and the voices of their guides speaking in hushed tones into microphones trying to explain the ungraspable.

In all, the Nazi regime murdered 6 million Jews from all over Europe, annihilating two-thirds of Europe's Jews and one-third of all Jews worldwide. In 2005, the United Nations designated Jan. 27 as International Holocaust Remembrance Day.

Jan. 27, marks International Holocaust Day. NBC News' Jay Gray reports from Auschwitz, where the 80th anniversary of its liberation will bring forth memories and messages that resonate today.

OSWIECIM, Poland (AP) — The 80th anniversary of the liberation of Auschwitz by Soviet troops is being marked on Monday at the site of the former death camp, a ceremony that is widely being treated as the last major observance that any notable number of survivors will be able to attend.

Eighty years ago on January 27, 1945, soldiers from Russia's Red Army entered the gates of Auschwitz-Birkenau in Poland and were the first to discover the horrors of the concentration camp where ...

Around 50 survivors and dozens of world leaders attended memorial events at the site of the Auschwitz-Birkenau concentration camp in Poland on Monday to mark the 80th anniversary of its liberation ...

“It doesn’t do any good for your heart, for your mind, for anything,” said Holocaust survivor Jona Laks, 94, about her return to Nazi Germany’s Auschwitz-Birkenau concentration camp.

"Auschwitz stands for the murder of millions ... before ending up in the Bergen-Belsen concentration camp. The camp was liberated by the British army on April 15, 1945, saving her life.

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