On this day in 1945, Auschwitz-Berkenau, the largest Nazi death camp (image above), was liberated by Soviet troops. Here is a link to an informative holocaust survivors remembrance website concerning Auschwitz. In 2005 the United Nations General Assembly Designated January 27 as International Holocaust Remembrance Day, the first universal commemoration in memory of victims of the Holocaust.
Below is a map (click on images to enlarge) showing the extent of Nazi Germany in 1943, under the leadership of Adolf Hitler (center image). It is important that we always remember the cancerous evil to which humans are capable of descending, in the name of national pride or economic power or religious righteousness. For survivors of such evil, the aphorism "time heals all wounds" does not apply. The wounds may scar over, may become numb, but the memory of such pain will always linger.