The Artsakh Republic (Արցախի Հանրապետություն, Arc̕axi Hanrapetowt̕yown) is a limited recognized republic, de jure considered part of Azerbaijan as Nagorno-Karabakh, with a popularly elected executive president and a parliament, the National Assembly, elected in free multi-party elections.
654: Armenia emerges as the Emirate of Armenia, an autonomous principality within the Arab Caliphate, ruled by the Ummayads, reuniting Armenian lands previously taken by the Byzantine Empire as well.
1000: Out of renmants of the disappeared Kingdom of Armenia the Kingdom of Artsakh is created. First king is Hovhannes-Senekerim of the Siunia dynasty. Other parts of Armenia are annexed to the Byzantine Empire.
1261: After the assassination of Hasan Jalal, Khachen is created as successor of Artsakh. It becomes a vassal state of the Mongol Empire, Tatars and later Turkic nations.
1603: Persia establishes a protectorate over Khachen.
1918: Karabakh becomes part of independent Azerbaijan. The newly independent states of Armenia and Azerbaijan dispute each borders, which leads to the Armenian–Azerbaijani War.
1920: The Ottoman invasion of Armenia as well as the disputes between Armenia and Azerbaijan leads to a Soviet invasion and take over of Armenia. It ends the war with Azerbaijan, former Artsakh becomes part of Azerbaijan.
1921: When communists take power in Armenia, Mountainous Armenia is formed on territory of Azerbaijan Armenia. Mountainous Armenia is governed by a provisional government.
1922: Russia forms together with Belarus, Transcaucasia and Ukraine the Union of Soviet Socialist Republics, shortly the Soviet Union, of which these states become constituent states. The Armenian SSR is a constituent state through Transcaucasia.
1923: The Soviet Union establishes the Nagorno-Karabakh Autonomous Oblast inside Azerbaijan, which gets an Armenian majority population.
1991: In reaction to this Nagorno-Karabakh secedes as an unrecognized republic from Azerbaijan. Nagorno-Karabakh has a popularly elected executive president and the National Assembly elected in free multi-party elections on a universal suffrage.
1994: The Bishkek Protocol between Nagorno-Karabakh, Azerbaijan and Armenia leads to a cease fire and the de facto independence of Nagorno-Karabakh. Kocharyan becomes president. Leonard Petrosyan becomes prime minister.