History of socialism under challenge from Solidarność, or Solidarity, a labor union under the leadership of Lech Wałęsa. The union was sufficiently threatening to the government that on 13 December 1981, the head of state, Wojciech Jaruzelski declared martial law, suspended the union, and imprisoned most of its leaders. Mikhail Gorbachev (born 1931), who took control in 1985, was the first Soviet leader to have been born after the October revolution. He is remembered for three initiatives: "glasnost", "perestroika", and the "Frank Sinatra doctrine". "Glasnost", or "openness", was Gorbachev's term for allowing public debate in the Soviet Union to an unprecedented degree. "Perestroika"
Union of Sovereign States confederation. The New Union Treaty () was a draft treaty that would have replaced the 1922 Treaty on the Creation of the USSR and thus would have replaced the Soviet Union with a new entity named the Union of Sovereign States, an attempt of Mikhail Gorbachev to salvage and reform the Soviet Union. A ceremony of the Russian SFSR signing the treaty was scheduled for 20 August 1991, but was prevented by the August Coup a day earlier. The preparation of this treaty was known as the Novo-Ogarevo process (новоогаревский процесс), named after Novo-Ogaryovo, a governmental estate where the work