Timeline
April 19, 2024
Armenia and Azerbaijan announced the decision to restore a part of their northern border in the Tavush—Qazakh regions according to the Alma-Ata Declaration of 1991. As a result, Armenia agreed to return four villages to Azerbaijan that came under its control in the 1990s.
April 17, 2024
Russia and Azerbaijan confirmed the decision about the start of the departure of the Russian Peacekeeping contingent from Karabakh.
September 19, 2023
Baku launched a full-scale offensive campaign against the 10-month blockaded Karabakh with heavy bombardment and ground attacks, advancing to the outskirts of Stepanakert. By September 20, local authorities surrendered under a Russian-brokered ceasefire, resulting in hundreds dead and many wounded. Following the offensive, Karabakh authorities were invited to talks with Azerbaijani officials, after which Karabakh President Samvel Shahramanyan signed a decree dissolving all state institutions by 1 January 2024,
Due to the Azerbaijani aggression and threat of massacres of the civilian population, over 100,000 Armenians were forced into a mass exodus leading to the complete ethnic cleansing of Artsakh.
Azerbaijan’s 24-hour offensive in Nagorno-Karabakh, effectively ending its de facto self-rule. The entire population fled the region with little more clothes on their backs, many spending 3 to 4 days stranded on the road. While attempting to cross the Lachin border checkpoint into the Republic of Armenia, Karabakh’s political and military leadership were arrested and taken hostage by Azerbaijan.
June 15, 2023
Following a border incident near the Lachin corridor where Azerbaijan’s serviceman attempted to plant a flag on the Armenian territory, Azerbaijan closed all traffic on the corridor, reopening only for ICRC on June 25 for the transfer of some critically ill patients.
April 23, 2023
Azerbaijan installed a checkpoint along the Lachin corridor violating the 2020 ceasefire agreement, which delegated responsibility for the Lachin road to Russian peacekeepers. The checkpoint and ‘protestors” continued to hamper humanitarian deliveries into Karabakh.
February 20, 2023
European Union Mission in Armenia (EUMA) was launched at the request of Armenian authorities to observe and report to Brussels on the security situation along the Armenian side of the international border with Azerbaijan. On 11 December 2023, the EU Foreign Affairs Council decided to strengthen its presence on the ground from 138 staff to 209.
December 12, 2022
Azerbaijan “protesters,” under the gaze of unspecified “environmental concerns,” blocked the Lachin corridor, a transport link between Armenia and Nagorno-Karabakh. This fueled fears of a looming humanitarian crisis as the road was the sole lifeline of the region, used to transport goods and deliver medical supplies and equipment. The “protestors” were clearly state-sponsored, wearing similar branded clothing and holding up uniform signage. The blockade continued for 10 months until September of the following year. The blockade effectively ended all economic activity in Artsakh, putting thousands of lives in danger as basic food supplies, fuel, medication, and medical supplies began to run out.
February, March, August, November 2022
Throughout 2022 Azerbaijan staged various provocations and attacked different parts of Karabakh.
October 20, 2022 – December 19, 2022
Deployment of EU Monitoring Capacity (EUMCAP) on the Armenian side of the Armenia-Azerbaijan border.
September 13-14, 2022
Azerbaijan launched the largest aggression against the Republic of Armenia along the country’s eastern borders. In the aftermath of the attack, 224 Armenian soldiers were killed, while the area of the country’s territory occupied by Azerbaijan reached roughly 215 square kilometers. Deep advancements were made toward the city of Jermuk and the Vardenis region.
November 16, 2021
Military clashes broke out on Armenia’s southeastern border, resulting in the heaviest casualties since the end of the Second Karabakh War and further territorial advancements by Azerbaijan. A ceasefire was reached by Russian mediation.
May 12, 2021
Azerbaijani forces advanced up to 3.5 kilometers toward Armenia from their previous positions and crossed Armenia’s border, occupying portions of Armenia’s sovereign territory through military advancements.
January 11, 2021
President of Azerbaijan Ilham Aliyev and Prime Minister of Armenia Nikol Pashinyan meet with Russia’s President Vladimir Putin and agree to reopen transportation links. At the same time, Aliyev refuses to return an estimate 100 Armenian military personnel and civilians captured during fighting.
November 10, 2020
After Azerbaijani forces capture southern districts of Karabakh, including Hadrut and Shushi, Armenia agrees to end the fighting and withdraw from Agdam, Kelbajar and Lachin. Russian peacekeeping forces enter Karabakh.
September 27, 2020
Azerbaijan initiates a full-scale offensive along the entire line of contact between Armenian and Azerbaijani forces in Karabakh. After days of fighting, Turkish-backed Azerbaijani forces make advances in Karabakh’s northeast and south.
July-August, 2020
Turkey pledges full support to Azerbaijan’s efforts to restore its territorial integrity. Joint military exercises take place in Azerbaijan for which Turkey transports F-16 fighter jets and other military equipment to Azerbaijan.
July 12-16, 2020
Fighting on the Armenian-Azerbaijani border leaves 18 dead on both sides, including senior Azerbaijani officers. The fighting triggers pro-war protests in Azerbaijan.
February 15, 2020
Aliyev and Pashinyan meet in Munich and after the meeting hold a joint conference, which turns into a debate.
August 5, 2019
During a rally in Stepanakert, Pashinyan declares, “Artsakh is Armenia. Period.”
April-May 2018
After mass protests in Armenia, Sargsyan resigns, Nikol Pashinyan is elected as Armenia’s leader.
February-October 2017
Sporadic clashes continue in Karabakh, until Sargsyan and Aliyev meet in Geneva and agree to reduce tensions.
April 2-5, 2016
Azerbaijan initiates the largest offensive since the conclusion of active fighting in 1994. Azerbaijan forces capture several posts in the north and in the south of Karabakh, after an Armenian counterattack in the north, several positions are restored. In 4 days of fighting, heavy artillery and drones are involved, with some 200 people killed on both sides.
March 31-April 1, 2016
US Secretary of State John Kerry holds separate meetings with Armenian and Azerbaijani presidents in Washington. Hours later Azerbaijan begins an offensive in Karabakh.
2012-2016
Low-intensity fighting takes place in Karabakh and on Armenian-Azerbaijani border, with Azerbaijani forces conducting hit-and-run attacks, and Armenian forces retaliating.
June 2011
During talks in Kazan, Russia Aliyev walks away from an agreement with Sargsyan on basic principles of resolution.
November 2, 2008
The Presidents of Armenia and Azerbaijan, Serzh Sargsyan and Ilham Aliyev, meet in Moscow and pledge to find a political solution to the Karabakh conflict, but no progress is made in talks.
November 29, 2007
After a meeting in Madrid the OSCE Minsk Group Co-chairs announce that a set of Basic Principles for the peaceful settlement of the conflict is proposed. The principles link Armenian withdrawals from the east and south of Karabakh to security guarantees and determination of Karabakh’s status via referendum.
February 19, 2004
During NATO training in Budapest, Azerbaijani officer Ramil Safarov murders Armenian officer Gurgen Margaryan with an axe in his sleep, triggering international condemnation and deepening of mistrust between Armenian and Azerbaijani societies.
August-December, 2003
Azerbaijani leader Heydar Aliyev dies, succeeded by his son Ilham Aliyev.
April 2001
Armenia’s Robert Kocharyan and Azerbaijan’s Heydar Aliyev come close to an agreement that would make NKAO and Lachin corridor part of Armenia, with other territories transferred to Azerbaijan; Aliyev backs away from the agreement.
February 3, 1998
Armenia’s first president Levon Ter-Petrossian resigns after his plan for the settlement of the Karabakh conflict is rejected. Former Karabakh leader Robert Kocharyan is elected president of Armenia.
January 1, 1997
The OSCE Minsk Groups establishes the trilateral co-chairmanship format of the United States, France, and Russia, still in effect until today.
December 2, 1996
During the OSCE summit in Lisbon, Azerbaijan stresses the importance of territorial integrity; Armenia vetoes the final document.
March 23, 1995
OSCE established the co-chairmanship of the Conference on Nagorno Karabakh under the auspices of the OSCE Minsk Group.
May 12, 1994
Armenia, Azerbaijan and Nagorno Karabakh agree on a cease-fire brokered by Russia, ending three years of fighting.
April-May, 1994
Armenian forces advance in Agdam and Mardakert districts.
December 1993-February 1994
Azerbaijani forces on the offensive in Karabakh, but their efforts to make advances are repulsed by Armenian forces.
November 12, 1993
UN Security Council Resolution 884 condemns the occupation of the Zangelan district and the city of Horadiz, attacks on civilians and bombardments of the territory of the Azerbaijani Republic; calls upon the Government of Armenia to use its influence to achieve compliance by the Armenians of the Nagorny Karabakh region of the Azerbaijani Republic.
October 14, 1993
UN Security Council Resolution 874 expresses concern that a continuation of the conflict in and around the Nagorny Karabakh region of the Azerbaijani Republic, and of the tensions between the Republic of Armenia and the Azerbaijani Republic, would endanger peace and security in the region and supports the monitoring mission developed by the CSCE.
August 23-31, 1993
Armenian forces establish control over Jebrayil, Kubatli districts and part of Fizuli, to the south of NKAO’s administrative border.
July 29, 1993
UN Security Council Resolution 853 expresses concern over the seizure of the district of Agdam in the Azerbaijani Republic (not specified by whom), Urges the Government of the Republic of Armenia to continue to exert its influence to achieve compliance by the Armenians of the Nagorny-Karabakh region to comply with the resolutions.
April 30, 1993
UN Security Council Resolution 822 expresses serious concern at the deterioration of the relations between the Republic of Armenia and the Republic of Azerbaijan, in particular, the latest invasion of the Kelbajar district of the Republic of Azerbaijan by local Armenian forces.
November 1992-February, 1993
Armenian forces retake the initiative in the war, expanding the Lachin corridor, creating a security buffer around Kapan and recapturing much of the Mardakert district.
June-October, 1992
Azerbaijani forces on the offensive against Karabakh, with almost half of the Armenian territory, including Shaumyan and Mardakert districts, captured, and local population displaced.
May 18, 1992
Armenian forces take control of Lachin, establishing a corridor between Armenia and Karabakh.
May 9, 1992
Armenians take Shushi, lifting the siege of Stepanakert.
April 10, 1992
Azerbaijani forces enter the village of Maragha, in NKAO’s northeast, murdering some forty civilians.
February 26, 1992
Armenian self-defense forces capture the Khojaly settlement, where Karabakh’s only airport is located; hundreds of civilians die as they flee from Khojaly towards Agdam.
September 25, 1991
The siege of Stepanakert begins with shelling launched from Shushi and nearby villages. Armenian self-defense forces are surrounded in NKAO, resupplied from Armenia by helicopters.
September 21, 1991
Armenia declares independence after the positive results of the nationwide referendum.
September 2, 1991
Nagorno Karabakh declares itself a republic, citing Soviet law on secession and international principle of self-determination.
August 30, 1991
Azerbaijan declares itself independent of the Soviet Union and a successor state of the Azerbaijani Democratic Republic (1918-20).
January 1990-August, 1991
Supported by Soviet internal troops, Azerbaijani security forces conduct operations intended to expel the Armenian population from the vicinity and inside NKAO. Armenian self-defense is organized.
January 13-19, 1990
Pogroms of the Armenian population in Baku lead to dozens killed, and remaining Armenians leaving Azerbaijan.
December 1, 1989
Legislatures of Soviet Armenia and Nagorno Karabakh Autonomous Oblast make declarations of unification.
Fall 1988
Massive exodus of the Armenian population from Armenia and Azerbaijani population from Armenia; dozens killed in ethnic-motivated clashes.
July 18, 1988
The Supreme Council of the USSR rejects Armenian demands of unification.
July 12, 1988
Nagorno Karabakh Autonomous Oblast regional legislature votes in favor of unification with Soviet Armenia.
June 17, 1988
Soviet Azerbaijan expresses opposition to calls of transferring Nagorno Karabakh Autonomous Oblast to Soviet Armenia.
June 15, 1988
Soviet Armenian legislature votes in favor of unifying with Nagorno Karabakh Autonomous Oblast.
March 25, 1988
Soviet leader Gorbachev rejects Armenian calls of unification.
February 27-29, 1988
Pogroms in the Azerbaijani city of Sumgait lead to the deaths of dozens of Armenians at the hands of Azerbaijani mob and the exodus of the large Armenian community of Azerbaijan.
February 22, 1988
Azerbaijanis march from the town of Aghdam towards Karabakh, where they meet an Armenian counter-protest, first deadly clashes ensue in the town of Askeran.
February 20, 1988
After public protests and grassroots lobbying, NKAO legislature adopts an appeal to Armenia, Azerbaijan and Moscow to consider reassigning the oblast to Soviet Armenia.
July 7, 1923
Soviet Azerbaijan establishes borders of the Nagorno Karabakh Autonomous Oblast (region), making it an enclave surrounded by Azerbaijani territory. Throughout the Soviet period Armenians raised the issue of reassigning Karabakh to Armenia, but Moscow rebuffed these efforts citing opposition from Azerbaijan.
July 5, 1921
After first Azerbaijan and then Armenia were both occupied by the Red Army, the dispute over Karabakh persisted. The Caucasus Bureau of the Russian Bolsheviks decided to establish a Karabakh autonomy inside Soviet Azerbaijan.
May 28, 1918
Republics of Armenia and Azerbaijan became independent following the Russian Revolution, and almost immediately went to war over several disputed territories, including Karabakh. By the fall of 1918, Turkish forces occupied much of the Caucasus, including Karabakh’s capital of Shusha. Turkish-Azerbaijani forces tried to control Karabakh but met Armenian resistance.