Panzerbär is the newspaper published for just over a week in April 1945: today it is told by Giovanni Mari in his latest book “Propaganda nell’abisso” Before the term fake news came into the public domain – and, unfortunately, of mass use, supported by digital technologies – the short century proposed some striking cases of information falsification. And others less known, but astonishing in the attempt to create disturbing parallel universes and virtual realities to be passed off as authentic in the public opinion.