High Quality Content by WIKIPEDIA articles! The history of public international law examines the evolution and development of public international law in both state practice and conceptual understanding. Modern international law developed out of Renaissance Europe and is strongly entwined with the development of western political organisation at that time. The development of European notions of sovereignty and nation states would necessitate the development of methods for interstate relations and standards of behaviour, and these would lay the foundations of what would become international law. However, while the origins of the modern system of international law can be traced back 400 years, the development of the concepts and practises that would underpin that system can be traced back to ancient historical politics and relationships thousands of years old. Important concepts are derived from the practice between Greek city-states and the Roman law concept of ius gentium (which...