Mikhail Gorbachev major campaign to limit alcohol consumption, which Gorbachev—who believed it would improve health and work efficiency—oversaw. His wife keenly supported the measure. As a result, crime rates fell and life expectancy grew slightly between 1986 and 1987. The reform had significant costs to the Soviet economy, resulting in losses of up to $100 billion between 1985 and 1990. Gorbachev later considered the campaign to have been an error. In April 1986 the Chernobyl disaster occurred; in the immediate aftermath, officials fed Gorbachev incorrect information to downplay the incident. As the scale of the disaster became apparent, 336,000 people were evacuated
1991 in the Soviet Union George H.W. Bush and Mikhail Gorbachev sign START I treaty in Moscow 1991 in the Soviet Union The following lists events that happened during 1991 in the Union of Soviet Socialist Republics. The Soviet Union had a transitional government in 1991, during the fall of communism. Every republic in the union had growing nationalism until Christmas of 1991 when Mikhail Gorbachev, the General Secretary of the Communist Party of the Soviet Union and President of the Soviet Union, abandoned the Union at the time of its dissolution. The dissolution created huge changes in politics and territorial claims. NATO scaled back