Russia–United States relations when Russia and Georgia fought a five-day war over the Russian-backed self-proclaimed republics of South Ossetia and Abkhazia. Despite U.S.–Russia relations becoming strained during the Bush administration, Russian president Dmitry Medvedev (president from May 2008 until May 2012, with Vladimir Putin as head of government) and U.S. president Barack Obama struck a warm tone at the 2009 G20 summit in London and released a joint statement that promised a "fresh start" in Russia–United States relations. The statement also called on Iran to abandon its nuclear program and to permit foreign inspectors into the country. In March 2009, U.S. Secretary of
Russia–South Ossetia relations 2015 a name change to "South Ossetia–Alania" — in analogy with "North Ossetia–Alania", a Russian federal subject. Tibilov furthermore suggested holding a referendum on joining the Russian Federation prior to April 2017, which would lead to a united "Ossetia–Alania". In April 2016, Tibilov said he intended to hold the referendum before August of that year. However, on 30 May, Tibilov postponed the referendum until after the presidential election due in April 2017. At the name-change referendum, nearly 80 percent of those who voted endorsed the name-change. Russia–South Ossetia relations Russia—South Ossetia relations () refers to the bilateral relationship between Russia