The 1980 Summer Olympics, officially known as the Games of the XXII Olympiad and commonly known as Moscow 1980, were an international multi-sport event held from 19 July to 3 August 1980 in Moscow, Soviet Union, in present-day Russia. The Games were the first to be staged in Eastern Europe, and remain the only Summer Olympics held there, as well as the first Olympic Games to be held in a Slavic language-speaking country.