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In a nationally televised speech, Mikhail Gorbachev (pictured) resigned as President of the Soviet Union.

Historical image related to In a nationally televised speech, Mikhail Gorbachev (pictured) resigned as President of the Soviet Union. from December 25, 1991

Mikhail Gorbachev

Leader of the Soviet Union from 1985 to 1991

Mikhail Sergeyevich Gorbachev was a Soviet and Russian politician who served as the last leader of the Soviet Union from 1985 to the country's dissolution in 1991. He served as General Secretary of the Communist Party of the Soviet Union from 1985 and additionally as head of…
Source: Wikipedia (CC BY-SA)

President of the Soviet Union

Head of state of the USSR in 1990–91; only held by Mikhail Gorbachev

The president of the Soviet Union, officially the president of the Union of Soviet Socialist Republics, abbreviated as president of the USSR, was the executive head of state of the Union of Soviet Socialist Republics from 15 March 1990 to 25 December 1991.
Source: Wikipedia (CC BY-SA)