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