History of Georgia (country) vowed to assert Tbilisi's authority over Abkhazia and South Ossetia. Gamsakhurdia was deposed in a bloody coup d'état within the same year and the country became embroiled in a bitter civil war, which lasted until 1995. Supported by Russia, Abkhazia and South Ossetia achieved "de facto" independence from Georgia. The Rose Revolution forced Eduard Shevardnadze to resign in 2003. The new government under Mikheil Saakashvili prevented the secession of a third breakaway republic in the Adjara crisis of 2004, but the conflict with Abkhazia and South Ossetia led to the 2008 Russo–Georgian War and tensions with Russia remain unresolved. The
South Ossetia the center of South Ossetia, and the plateau that's also roughly in the center of South Ossetia is called Iberia. The Greater Caucasus Mountain Range forms the northern border of South Ossetia with Russia, and the main roads through the mountain range into Russian territory lead through the Roki Tunnel between South and North Ossetia and the Darial Gorge. The Roki Tunnel was vital for the Russian military in the 2008 South Ossetia war because it is the only direct route through the Caucasus Mountains. South Ossetia covers an area of about , separated by the mountains from the more