1991 Soviet coup d'état attempt attempt. Since assuming power as General Secretary of the Communist Party of the Soviet Union in 1985, Gorbachev had embarked on an ambitious program of reform, embodied in the twin concepts of "perestroika" and "glasnost", meaning economic/political restructuring and openness, respectively. These moves prompted resistance and suspicion on the part of hardline members of the "nomenklatura". The reforms also unleashed some forces and movements that Gorbachev did not expect. Specifically, nationalist agitation on the part of the Soviet Union's non-Russian minorities grew, and there were fears that some or all of the union republics might secede. In 1991, the Soviet
Mikhail Gorbachev remove Gorbachev from power and prevent the signing of the new union treaty. Under the pretense that Gorbachev was ill, his vice president, Yanayev, took over as president. Gorbachev spent three days (19, 20, and 21 August) under house arrest at his dacha in the Crimea before being freed and restored to power. However, upon his return, Gorbachev found that neither Union nor Russian power structures heeded his commands, as support had swung over to Yeltsin, whose defiance had led to the coup's collapse. Furthermore, Gorbachev was forced to fire large numbers of his Politburo and, in several cases, arrest