It was the day Britain discovered the truth about mankind’s most heinous crime – the systematic industrial murder of six million Jews.
Eighty years ago this week, the first eye-witness account of what would later be known as the Holocaust emerged from Hitler ’s extermination camps.
But even after three years of brutal war, the idea that Germany might be killing tens of thousands of men, women and children in gas chambers seemed too unbelievable to accept without verification.