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

One man's daring mission to infiltrate Auschwitz revealed its atrocities to the world – this is his story.

Among 34,000 people in the town of Oświęcim is just one Jew – a young Israeli named Hila Weisz-Gut. It’s an interesting choice of residence, given the most famous feature of the town is its proximity to the Nazi concentration and extermination camp Auschwitz – where at least 1.

A parade of dignitaries and dozens of Holocaust survivors came to Oświęcim on Monday to pay tribute to the 1 million Jews who died there.

The largest camp in the entire system of Nazi concentration and extermination camps, where more than 1 million people perished at the hands of Hitler’s regime, has become one of the best-known symbols of the Holocaust.

Polish President Andrzej Duda remembered the victims of the Nazis at the Auschwitz-Birkenau memorial site, as commemorations got under way on Monday to mark 80 years since the death camp was liberated towards the end of World War II.

Holocaust survivors and world leaders gathered in Poland on Monday to mark the 80th anniversary of the liberation of the Auschwitz-Birkenau death camp, where the Nazi Germans killed more than 1.1 million people during World War II.

Monday's ceremony is widely being treated as the last major observance that any notable number of survivors will be able to attend.

German President Frank-Walter Steinmeier on Monday stressed Germany's enduring responsibility for the Holocaust as leaders and survivors marked 80 years since Soviet troops liberated the Nazi-run death camp Auschwitz.

Doniecka, who goes to Auschwitz every year on the anniversary of its liberation, said that it was important for her to attend these events especially given she was in good health, unlike other survivors who were too ill or frail to travel.

Eighty years after the liberation of Auschwitz, genocide, the persecution of millions of people because of their origin, war and even the possible use of nuclear weapons are once again considered “normal.

This seemingly ordinary house next door serves as a chilling reminder of "just how close heaven can be to hell on earth."