In return for his assistance against the Scythians, the Greeks of the Cimmerian Bosporus and the Tauric Chersonese recognized his suzerainty.
Two days later Cesarini received the tidings that a fleet of galleys had set off for the Bosporus to prevent Murad (who, crushed by his recent disasters, had retired to Asia Minor) from recrossing into Europe, and the cardinal reminded the king that he had sworn to co-operate by land if the western powers attacked the Turks by sea.
It contains a description of the southern coast of the Euxine from the Thracian Bosporus to the river Iris in Pontus.
Mermer Denisi), the small inland sea which (in part) separates the Turkish dominions in Europe from those in Asia, and is connected through the Bosporus with the Black Sea (q.v.) and through the Dardanelles with the Aegean.
The Treaty of Adrianople, by which the Danubian principalities were erected into practically independent states, the treaty rights of Russia in the navigation of the Bosporus Anapa and Poti in Asia ceded to the tsar, included also a settlement of the Greek question on the terms of the protocol of the 22nd of March.
Tradition avers that but forty days were needed for the completion of the work, six thousand men being employed night and day; guns and troops were hurriedly put in, and all navigation of the Bosporus was stopped.
Through the Bosporus and Dardanelles at the entrance of the Black Sea, and through the sound and belts at the entrance of the Baltic, streams of fresh surface-water flow outwards to the salter Mediterranean and North Sea, while salter water enters in each case as an undercurrent.
This affair prompted the Ottoman Government to close the Darda nelles and Bosporus against all shipping, a course which caused immense loss and inconvenience to neutral Powers and produced such vigorous protest, particularly from Russia, that the straits were reopened in May.
The shores of the Bosporus are composed in the northern portion of different volcanic rocks, such as dolerite, granite and trachyte; but along the remaining course of the channel the prevailing formations are Devonian, consisting of sandstones, marls, quartzose conglomerates, and calcareous deposits of various kinds.
These two divisions (which in spite of good treatment by Alexius began to commit excesses against the Greeks) united and crossed the Bosporus in August, Peter himself remaining in Constantinople.