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"
Mikhail Gorbachev Kiev, Ukraine. In 2006, he expressed his continued belief in Lenin's ideas: "I trusted him then and I still do". He claimed that "the essence of Lenin" was a desire to develop "the living creative activity of the masses". Taubman believed that Gorbachev identified with Lenin on a psychological level. Taubman described Gorbachev as "a true believer—not in the Soviet system as it functioned (or didn't) in 1985 but in its potential to live up to what he deemed its original ideals." As Soviet leader, Gorbachev believed in incremental reform rather than a radical transformation; he later referred to this