People of the Revolution and the USSR
- Victor Adler Victor Adler Founder and leader of Austrian Social Democracy who could not stop the war in 1914 and backed it
- Karl Johann Kautsky Karl Johann Kautsky Chief theoretician of orthodox Marxism in the Second International, founding editor of Die Neue Zeit, editor of Marx's Capital Vol. IV
- Franz Ferdinand Franz Ferdinand Heir presumptive of Austria-Hungary whose assassination in Sarajevo in 1914 was the immediate cause of the First World War
- Gavrilo Princip Гаврило Принцип Young Bosnia member who shot dead Archduke Franz Ferdinand and his wife in Sarajevo in 1914