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 he was one of three major sponsors of the Earth Charter. He also became a member of the Club of Rome and the Club of Madrid, an independent non-profit organization composed of 81 democratic former presidents and Prime Ministers from 57 different countries. In the decade that followed the Cold War, Gorbachev opposed both the U.S.-led NATO bombing of Yugoslavia in 1999 and the U.S.-led Iraq War in 2003. On 27 July 2007, Gorbachev criticized U.S. foreign policy: "What has followed are unilateral actions, what has followed are wars, what has followed is ignoring the UN Security Council, ignoring international