In 1913 Adolf Hitler, Iósif Stalin, Josip Broz “Tito“, Leon Trotsky and Sigmund Freud lived in Vienna within a radius of only three kilometers. Vienna was the capital of the Austro-Hungarian Empire and there the decision was made to start the First World War, if the 1908 Tunguska meteorite had fallen in Vienna in 1913 it would have changed history.