Operation Military_operation Stinger ( ; ) was an offensive undertaken by the forces Hostile_encounter of the SAO Krajina , an unrecognized Croatian Serb region opposing Agree_or_refuse_to_act the Republic of Croatia , against positions held by the Croatian police in the region of Banovina on 26–27 July 1991 , during the Croatian War of Independence .

The operation formed Creating part of the Croatian War of Independence and the Bosnian War fought Hostile_encounter between Bosnia and Herzegovina , Croatia and two unrecognized para-states proclaimed by Croatian Serbs and Bosnian Serbs .

As Azerbaijan declared Expressing_publicly its independence from the Soviet Union and removed Removing the powers held Defending by the enclave 's government , the Armenian majority voted Choosing to secede Escaping from Azerbaijan and in the process proclaimed Statement the unrecognized Know Republic of Nagorno-Karabakh .

This has left Departing the Nagorno-Karabakh area in a state of legal Legality limbo , with the Republic of Artsakh remaining Presence de facto independent but internationally unrecognized Know while Armenian forces currently control Control approximately 9 % of Azerbaijan 's territory outside the enclave .