Note 674 — BOOK XII[500]
Alexander Teixeira de Mattos translation
The Treaty of Unkiar-Skelessi was signed between Russia and Turkey on the 8th of June 1833 and was a treaty of defensive and offensive alliance concluded for eight years. A secret clause eventually closed the Dardanelles to the European Powers, while leaving both that passage and the Bosphorus open to Russia and Russia alone.—B.