Boris Yeltsin, President of the Russian Soviet Republic, second right, Stanislav Shushkevich, Chairman of the Supreme Council of the Republic of Belarus, second left, and Leonid Kravchuk, President of Ukraine, left, after the signing of the Agreement on the Establishment of the Commonwealth of Independent States. Belorussian SSR. Viskuli government hunting estate in the Bialowieza Forest. December 8, 1991.