The history of international law in Russia is marked by several important periods, among these: Pre-Petrine international law; Peter I of Russia's reforms & Russia's Europeanization/Westernization, particularly in legal thought; 18th Century; 19th Century and liberalization; Friedrich Martens Soviet international law; Evgeny A. Korovin Post-Soviet harmonization with international law;In Russian legal history, international and comparative method dates back to the sixteenth century. Wikipedia