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Turkmanchay treaty between Russia, Persia divides Azerbaijan. Territory of present-day Azerbaijan becomes part of Russian empire while southern Azerbaijan is part of Persia.
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World's first oil well is drilled south of Baku.
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Nobel brothers set up oil-production company.
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Independent Azerbaijani Republic declared.
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Red Army invades; Azerbaijan is declared a Soviet Socialist Republic.
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Azerbaijan, part of Transcaucasian Soviet Federative Republic, becomes founder member of Soviet Union.
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Transcaucasian Soviet Federative Republic dissolved ; Azerbaijan becomes full republic of Soviet Union.
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Heydar Aliyev becomes head of Azerbaijani KGB; becomes head of Azerbaijani Communist Party in 1969.
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Heydar Aliyev becomes full member of Soviet Politburo and first deputy chairman of USSR Council of Ministers.
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Heydar Aliyev leaves Politburo and Council of Ministers.