One of OSCE's fundamental documents, the Charter of Paris, was signed on 21 November 1990 at the Second CSCE Summit. (Ministry of Foreign Affairs of France/Frédéric de la Mure)
Erich Honecker, First Secretary of the Socialist Unity Party of Germany signs the Helsinki Final Act, as President of the United States Gerald Ford looks on, 1 August 1975. (Bundesarchiv/Horst Sturm)
Family photo of the Heads of State or Government taking part at the Second CSCE Summit in Paris, 19-21 November 1990. (Ministry of Foreign Affairs of France/Frédéric de la Mure)
East meets West: US President Gerald Ford and USSR General Secretary Leonid Brezhnev (with translator Viktor Sukhodrev at his ear) at Helsinki 1975. Flanking them are Secretary of State Henry Kissinger (l) and Foreign Minister Andrei Gromyko (r). (Gerald R. Ford Library)