sentences:  Skeppsbrokajen was preceded by a medieval quay called "Koggabron" ("Cog bridge") located a hundred metres inland from the present quay and only stretching along the southern part of the shore.During the 1630s, the work on the foundations of the present quay were begun, probably initiated by King Gustavus Adolphus.While the present name came into use during the period 1640–1700, the quay itself was not completed until 1854 when the area around Slussen was developed in connection to the construction of the lock of Nils Ericson.