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===Nagorno-Karabakh===

The major domestic and international issue affecting Azerbaijan is the dispute over [[Nagorno-Karabakh]], a predominantly ethnic Armenian region within Azerbaijan. The current conflict over Nagorno-Karabakh began in 1988 when ethnic Armenian demonstrations against Azerbaijani rule broke out in both Nagorno-Karabakh and Armenia, and the Nagorno-Karabakh Supreme Soviet voted to secede from Azerbaijan. In 1990, after violent episodes in Nagorno-Karabakh, Baku, and Sumgait, the Soviet Union's Government in Moscow declared a state of emergency in Nagorno-Karabakh, sent troops to the region, and forcibly occupied Baku. In April 1991, Azerbaijani militia and Soviet forces targeted Armenian paramilitaries operating in Nagorno-Karabakh; Moscow also deployed troops to Yerevan. Azerbaijan declared its independence from the U.S.S.R. on August 30, 1991. In September 1991, Moscow declared it would no longer support Azerbaijani military action in Nagorno-Karabakh. Armenian militants then stepped up the violence. In October 1991, a referendum in Nagorno-Karabakh approved independence.