South Ossetia as the legally undefined "Tskhinvali Region" in Georgia and in international organisations when neutrality is deemed necessary. South Ossetia declared independence from the Georgian Soviet Socialist Republic in 1991. The Georgian government responded by abolishing South Ossetia's autonomy and trying to re-establish its control over the region by force. The crisis escalation led to the 1991–92 South Ossetia War. Georgian fighting against those controlling South Ossetia occurred on two other occasions, in 2004 and 2008. The latter conflict led to the Russo–Georgian War, during which Ossetian and Russian forces gained full "de facto" control of the territory of the former
Russia–South Ossetia relations travelled to South Ossetia on 21 July 2009, where they attended the opening of two rural police stations, and attended the signing of an interagency agreement between the two countries prosecutorial agencies. On 7 August 2009, Dmitry Medvedev in an interview for the documentary "In August 2008..." stated that Russia would continue to develop bilateral ties with South Ossetia "regardless of whether somebody likes it or not." The Treaty of Friendship, Cooperation and Mutual Assistance which was signed in September 2008 came into force on 20 January 2009, and stipulates a Russian guarantee of military intervention in case South Ossetia