In the October of 1987,
in the demonstrations organized against the pollution of the town of Yerevan there were heard challenges on the annexation of the Nagorno-Karabakh Autonomous Oblast (Province) of Azerbaijan and signatures began to be collected.
By the beginning of 1988,
the Karabakh Committee, which functioned illegally, in the underground, and the Grunk Committee, which was its branch, began to function openly in Khankendi.
On the 20th of February, 1988,
the extraordinary session of the Soviet of the People’s Deputies of the Nagorno-Karabakh Autonomous Oblast passed a resolution on the exclusion of the said oblast from the subordination of Azerbaijan and its inclusion to the administrative-territorial division of Armenia.
On the 24th of February, 1988,
two Azerbaijani youth were shot in the district of Askeran of the Nagorno-Karabakh Autonomous Oblast, it enflamed the development of events.
On June 15, 1988,
the Supreme Soviet of the Armenian Soviet Socialist Republic satisfied the request of the Soviet of the People’s Deputies of the Nagorno-Karabakh Autonomous Oblast for being merged with Armenia. After the adoption of a resolution by the Supreme Soviet of Armenia on the annexation of the Nagorno-Karabakh Autonomous Oblast, the process of ousting by all means of the Azerbaijanis from the territory of the autonomous province speeded more.
On the 20th of January, 1990,
the detachments of the armed forces of the Soviet Union were ordered to occupy Baku and suppress the protests of population who organized demonstrations in the streets and squares of Baku and protested against the aggressive actions of Armenia which were supported and patronized by the leadership of the former USSR. It led to an unimaginable tragedy.
On the 21st of January,
in the building of the Azerbaijani mission un Moscow Heydar Aliyev made a decisive statement full of rage, the whole world listened to the echo which the statement caused.
Since the end of 1991,
as a result of the open policy of aggression pursued by the Armenians the Azerbaijanis living in the villages and settlements of Karkijahan, Garadaghli, Malibeyli, Meshali, Gushchular and others located in the autonomous oblast were occupied.
the geography of the military operations in the territory of Azerbaijan conducted by the Armenian armed detachments widened further and the districts of Azerbaijan were occupied one after another.
On the 26th of February,
when the town of Khojaly was occupied, over 600 people were brutally murdered, over 1 300 people were taken captives.
In the February of 1992,
a mediation process for the solution of the Armenian-Azerbaijani conflict began within the frames of the Conference of Security and Cooperation in Europe (CSCE).
On the 24th of March, 1992,
in the additional session of the Council of Foreign Ministers of CSCE held in Helsinki it was decided to convene a conference on the Nagorno-Karabakh in Minsk under the auspice of OSCE for the peaceful solution of the crisis as soon as possible on the principles, obligations and provisions of CSCE.
On the 8th of May, 1992,
Shusha was occupied by the Armenian aggressors; it allowed the Armenians to have control over the whole territory of the Upper Karabakh.
On the 17th-18th of May, 1992,
the district of Lachin, which was located between Armenia and the Nagorno-Karabakh region of Azerbaijan, was occupied.
In the summer of 1992,
Azerbaijan conducted successful military operations in the front, particularly in the direction of Gulustan and Aghdara, but this process was not continued till the end.
On the 2nd of April, 1993,
the district of Kalbajar, which is situated beyond the boundaries of the Nagorno-Karabakh, was occupied.
On the 23rd of July, 1993
the district of Aghdam was occupied by the armed detachments of Armenia.
On the 23rd of August, 1993,
the districts of Jabrail and Fuzuli were occupied by the armed forces of Armenia.
On the 31st of August, 1993,
the Armenian armed forces occupied the district of Gubadli.
On the 29th of October, 1993,
the Armenian armed forces occupied the district of Zangilan of Azerbaijan; it was the last occupationist operation of the Armenian army in the front.
the resolutions of the Security Council of the Organization of the United Nations adopted in reply to the occupation of the territories of Azerbaijan once more confirmed that the sovereignty, territorial integrity and the inviolability of the internationally recognized borders of the Republic of Azerbaijan and those of other states of the region. Must be respected
On the 12th of May, 1994,
a ceasefire agreement was achieved between Armenia and Azerbaijan.
On the 5th-6th of December, 1994,
the summit of CSCE in Budapest resolved to institute the co-chairmanship of the Minsk Conference in the frames of CSCE for the coordination of all the mediation efforts.
On the 2nd-3rd of December, 1996, in the Lisbon Summit of OSCE the co-chairs of the Minsk Group of OESC and the chair in office of OSCE recommended the principles which had to form the basis of the solution of the conflict, but Armenia did not approve them ant was the only state among the 54 members states of OSCE not to vote in favor of the said. The chair of OCSE in office made a statement on the said principles. Those principles are the followings:
– territorial integrity of the Republic of Azerbaijan and the Republic of Armenia;
– a legal status which grants Nagorno-Karabakh the highest self- administration status within the Republic of Azerbaijan based on the agreement of the right of self-determination principle;
– a guarantee for ensuring the security of Nagorno-Karabakh and of all its population, including a guarantee by all the parties to fulfil all the provisions of the agreement.
the institute of co-chairs was set up, it consisted of France, Russia and the United States of America (since 1992 the Minsk Conference was chaired by Italy (1992-1993), Sweden (1994), Russia (1995) and Finland (1995-1996).
On the 1st of June, 1997
, the co-chairs submitted a comprehensive draft of the agreement for the solution of the conflict over Nagorno-Karabakh. According to the said draft the armed conflict had to be ceased and an agreement had to be achieved on the status of Nagorno-Karabakh. Though Azerbaijan was ready to begin constructive consultations on the essence of the said documents, the Armenian side refused the proposal completely.
On the 19th-23rd of September, 1997,
during their visit to the region the co-chairs submitted new proposals for the solution of the conflict “stage by stage”. These proposals included the liberation of six districts from occupation, commencement of peacekeeping operations of OSCE, return of the internally displaced persons home and restoration of communication means in the zone of the conflict.