On March 30, 1867, U.S. Secretary of State William H. Seward and Russian envoy Baron Edouard de Stoeckl signed the Treaty of Cession. With a stroke of a pen, Tsar Alexander II had ceded Alaska, his ...
in Russia's Siberia region. Nicknamed Yana, the female mammoth weighs more than 220 pounds and is 47 inches tall. Scientists believe that Yana was 1 year old when she died. Her remains are one of ...