Researches above the history of coming into existence of the first housing estates, their development and forming state institutions in contemporary Ukraine and Europe are valuable memorial of the modern society. For the development of humanity is important to take control of water spaces by creating different kinds of swimming devices Kievan Rus’ and Kingdom of Galicia-Volhynia were huge “active” medieval countries in Europe, which did distant war expeditions. Wellknown facts of marine expeditions of ukrainian knyazes is confirm of the expedition on rivers Volga, Don, Donuа, Tisza, the Vistula, Bug ets. The stateowned fleet protected the own earth and went to the sea travels to territory neighbour states. Concluded international Kievan Rus’ and Byzantine Empire not only had a geopolitical meaning, but also were example of the early codification of norms of the maritime law, in which such values as the human life, his freedom and the property were protect.