Foreign ministers of People's Republic of Bulgaria, People's Republic of Hungary, German Democratic Republic, People's Republic of Poland, Socialist Republic of Romania, Union of Soviet Socialist Republics and Czech Socialist Republic meeting in Moscow on January 15 and 16, 1973. From left: Bulgarian Foreign Minister Petar Mladenov, Hungarian Foreign Minister Tadeusz Olechowski, Romanian Foreign Minister George Macovescu, Soviet Foreign Minister Andrei Gromyko, German Foreign Minister Otto Winzer, Czech Foreign Minister Bohuslav Chňoupek and Hungarian Foreign Minister János Péter.
