Command of the sea Great Britain accepted the principle in 1805; Russia, in 1824; and the United States (tacitly) in 1894. Many treaties, including the Treaty of Versailles, have dealt with the open seas, and currently the United Nations Convention on the Law of the Sea formalizes this freedom. Historically, many powers attempted to extend command of the sea into peacetime, imposing taxes or other restrictions on shipping using areas of open sea. For example, Venice claimed the Adriatic, and exacted a heavy toll from vessels navigating its northern waters. Genoa and France each claimed portions of the western Mediterranean. Denmark and Sweden claimed
History of the Republic of Venice captured and sacked in 1204. Venetians saved from the sack several artistic works, such as the famous four bronze horses, bringing them to Venice. As a result of the partition of the Byzantine Empire that followed, Venice gained some strategic territories in the Aegean Sea (three-eighths of the Byzantine Empire), including the islands of Crete and Euboea. Moreover, some present day cities, such as Chania on Crete, have core architecture that is substantially Venetian in origin. The Aegean islands formed the Venetian Duchy of the Archipelago. The Republic of Venice signed a trade treaty with the Mongol Empire in 1221.