Certificate of Exchange
On June 20, 1867, U.S. secretary of State William H. Seward and the Russian minister to the United States, Eduard de Stoeckl, exchanged the official instruments of ratification of the Alaska purchase treaty in Washington, D.C. While the Russian government rubber-stamped the tsar’s authorization of the treaty, under the terms of the U.S. Constitution, the U.S. Senate had to consent to the treaty on the American side. The final exchange of ratified treaties took place approximately three months after the signing of the agreement in ...