This volume critically reassesses the history and impact of international law in Italy. It examines how Italy's engagement with international law has been influenced and cross-fertilized by global dynamics, in terms of theories, methodologies, or professional networks. It asks to what extent historical and political turning points influenced this engagement, especially where scholars were part of broader academic and public debates or even active participants in the role of legal advisers or politicians. It explores how international law was used or misused by relevant actors in such contexts. Bringing together scholars specialized in international law and legal history, this volume first provides a historical examination of the theoretical legal analysis produced in the Italian context, exploring its main features, and dissident voices. The second section assesses the impact on international law studies of key historical and political events involving Italy, both international and domestically; and, conversely, how such events influenced perceptions of international law. Finally, a concluding section places the preceding analysis within a broader, contemporary perspective. This volume weighs in on in the growing debate on the need to explore international law from comparative and local viewpoints. It shows how regional, national, and local contexts have contributed to shaping international legal rules, institutions, and doctrines; and how these in turn influenced local solutions.