Russian and Chinese diplomats in discussion outside the Conference on Disarmament while a second Russian waits at left. The Conference on Disarmament, established in 1979, is the only forum for nations to discuss multilateral arms control and disarmament issues. It has a primary focus nuclear weapons control and disarmament. 65 countries, and 38 observer nations, convene annually at the United Nations' Palais des Nations building for three sessions of talks totalling 24 weeks. Conference on Disarmament. Year 35, 2014 Session 1, Plenary meeting 1304. Presidency of Israel