Goethe House, Weimar: at its best, the republic enshrined human rights and, at its worst, left ajar a door to the instability that aided Hitler’s rise to power in 1933. Photograph:  Klassik Stiftung Weimar

Germany’s far-right populists are on the rise, as are random, violent street killings. People are dizzy with the potential – and danger – of new mass (...)

1919: Germans take war machines apart outside Berlin. Under the terms of the Treaty of Versailles Germany was required to disarm. This tank is in fact a British tank, captured and put into service by the Germans. Photograph:  Hulton Archive/Getty Images

“German economic life is to be annihilated . . . It amounts to the denial of the people’s right to existence.” (German foreign minister Count Brockdor(...)