Diplomacy has never been a politically-neutral research field, even when it was confined to merely reconstructing the backgrounds of wars and revolutions. In the nineteenth century, diplomacy was integral to the grand narrative of the building of the modern 'nation-State'. This is the first overall study of diplomacy in Early Renaissance Italy since Garrett Mattingly's pioneering work in 1955. It offers an innovative approach to the theme of Renaissance diplomacy, sidestepping the classic dichotomy between medieval and early modern, and re-considering the whole diplomatic process without...