Auschwitz survivors warned of the dangers of rising antisemitism on Monday, as they marked the 80th anniversary of the liberation of the Nazi German death camp by Soviet troops in one of the last such gatherings of those who experienced its horrors.

Auschwitz survivors have warned of the rising antisemitism and hatred in the modern world as they gathered with world leaders and European royalty on the 80th anniversary of the death camp’s liberation.

M onday, Jan. 27, marks 80 years since the liberation of the Auschwitz-Birkenau concentration camp. Ten days prior to the opening of the gates, Raoul Wallenberg, a Swedish diplomat who saved tens of thousands of Hungarian Jews, was detained. He disappeared and his fate remains unknown.