The Republic of Nakhchyvan uses as per its own constitution the flag of Azerbaijan. From the unofficial flag of the country – arised for the first time about 1990 in context with sezessional ambitions – are leastways known two variants which differ however only by the position of half-moon and star within the red stripe.
6th century · foundation of the town of Nakhchivan within the Iranian Sassanide's Empire
654 · Islamic conquest, islamization, nascence of the Emirate of Nakhchivan
1064 · conquest by the Seldshuks
1221 · conquest by the Mongols, after the decay of the Mongol's Empire to the Empire of the Huelaegue (grandson of Dshingis Khan), after its decay to the Kingdom of Georgia
ca. 1780 · formation of the Khanate of Nakhchivan under Persian supremacy
1828 · conquest by Russia, annexation to the Governmental District of Jerevan
1914–1918 · First World War, 1917: German and Turkish troops propel the Russians back behind the Caucasus Mountains, bolshevist revolution in Russia, civil war in Russia, 1918: peace treaty between Russia and the German Empire, 1918: capitulation of the German Empire, withdrawal of the German and Turkish troops
1918 · the transcaucasian states (Armenia, Azerbaijan, Georgia) declare itself for independent, Nakhchivan belongs to Azerbaijan
1920–1921 · Bolshevist-Russian conquest of Transcaucasia
16th of March 1921 · Nakhchivan becomes the Autonomous District of Nakhchivan
