The regional soviet (Council of People’s Deputies) of the Nagorno-Karabakh Autonomous Oblast voted to request transfer from the Azerbaijan SSR to the Armenian SSR, catalyzing mass mobilization and escalating inter-ethnic violence across the region.
Anti-Armenian riots and killings in Sumgait (Azerbaijan SSR) intensified the conflict’s communal dimension and accelerated population displacement and polarization.
A clash between Armenian protesters and Soviet troops at Yerevan’s Zvartnots Airport (one killed, dozens injured) reflected the widening confrontation between nationalist mobilization and Soviet authorities amid the Karabakh movement.
Sustained violence against Armenians in Baku led to deaths and mass flight, further hardening positions and deepening the humanitarian crisis around the emerging Nagorno-Karabakh conflict.
Soviet forces entered Baku under a state of emergency, killing and injuring civilians during the crackdown. The events reshaped Azerbaijani politics and occurred in the same volatile period as the Baku pogrom.
Soviet and Azerbaijani OMON forces launched Operation Ring, conducting “passport checks” and operations that resulted in the forced removal of Armenians from targeted areas—an escalation toward open warfare.
A joint session of local soviets (NKAO and Shahumyan) proclaimed the Republic of Nagorno-Karabakh, accelerating institutional separation as the USSR disintegrated.
Azerbaijan passed and signed into law a measure abolishing the Nagorno-Karabakh Autonomous Oblast, changing the administrative status of the territory as violence continued to escalate.
During the capture of Khojaly, large numbers of Azerbaijani civilians were killed while fleeing. Human Rights Watch described grave abuses against civilians; the episode became a major turning point in the war’s escalation and narratives.
Armenian forces took Shusha on 8–9 May 1992 in a major battlefield shift, affecting control over high ground and contributing to the ending of the siege conditions affecting Stepanakert.
Armenian forces captured Lachin, opening a crucial land route linking Armenia to Nagorno-Karabakh. Control of this corridor became strategically central to sustaining Armenian positions in the enclave.
The UN Security Council adopted Resolution 822, demanding cessation of hostilities and withdrawal of occupying forces from the Kelbajar (Kalbajar) district and other recently occupied areas, and urging renewed negotiations within the CSCE/OSCE Minsk process framework.
The UN Security Council adopted Resolution 853, condemning the seizure of Agdam and other areas and demanding withdrawal, alongside calls for ceasefire and humanitarian access.
The UN Security Council adopted Resolution 874, reaffirming sovereignty and territorial integrity, calling for cessation of hostilities and withdrawal from recently occupied districts, and supporting the CSCE/OSCE Minsk process timetable approach.
The UN Security Council adopted Resolution 884, condemning ceasefire violations and the occupation of Zangilan district and the city of Goradiz, demanding withdrawal and warning of a worsening humanitarian emergency.
Representatives of Armenia, Azerbaijan, Nagorno-Karabakh, and Russia signed the Bishkek Protocol, establishing a ceasefire that took effect shortly thereafter and effectively ended major combat operations of the First Nagorno-Karabakh War.
First Nagorno‑Karabakh War (1988–1994)
