Nationalism has given the world a genre of poetry bright with ideals of justice, freedom and the brotherhood of man, but also, at times, burning with humiliation and grievance, hatred and lust for revenge, driving human kind, as the Austrian poet Grillparzer put it, 'From humanity via nationality to bestiality'. National Poetry, Empires and War considers national poetry, and its glorification of war, from ancient to modern times, in a series...