Second Chechen War ( ) , also known as the Second Chechen Сampaign ( ) or officially ( from the Russian point of view ) Counter-terrorist operations on territories of North Caucasian region ( ) , was an armed conflict on the territory of Chechnya and the border regions of the North Caucasus between the Russian Federation and the Chechen Republic of Ichkeria , also with militants of various Islamist groups , fought from August 1999 to April 2009 .

The Armenian–Tatar massacres ( also known as the Armenian-Tartar war , the Armeno-Tartar war and , more recently , the Azeri-Armenian war ) refers Adducing to the bloody inter-ethnic confrontation between Armenians and Azerbaijanis ( at the time commonly referred Adducing to as `` Caucasian Tatars '' or `` Tatars of the Caucasus '' ) throughout the Russian Caucasus in 1905–1907 .

The alternative term used Using , the Caucasian War Hostile_encounter , commonly refers Adducing only to the period 1817–1864 .

The Caucasian War ( ; `` Kavkazskaya vojna '' ) of 1817–1864 was an invasion Attack of the Caucasus by the Russian Empire which resulted in Causation Russia 's annexation of the areas of the North Caucasus , and the ethnic cleansing of Circassians .

Russian control Control of the Georgian Military Highway in the center divided the Caucasian War into the Russo-Circassian War in the west and the Murid War in the east .