In 395 AD, Rome split into two empires - the Western Roman Empire and the Eastern Roman Empire. Each side had a ruler in charge of it. The Roman Empire was split by Theodosius.
The First Geneva Convention (1864) is one of the earliest formulations of international law. International law is the set of rules generally regarded and accepted as binding in relations between states and between nations. It serves as a framework for the practice of stable and organized international relations.
International law. The term statute is also used to refer to an International treaty that establishes an institution, such as the Statute of the European Central Bank, a protocol to the international courts as well, such as the Statute of the International Court of Justice and the Rome Statute of the International Criminal Court.