Treaty Event 2025: Eighty Years of Multilateral Treaty Making at the United Nations

This year’s Treaty Event will be held from 23 to 26 September 2025 at the United Nations Headquarters in New York, in conjunction with the general debate of the landmark eightieth session of the General Assembly. The Treaty Event will highlight multilateral treaties deposited with the Secretary-General which cover a wide range of areas of global concern, including human rights, disarmament, penal matters, law of the sea, and the environment. The Treaty Event may also be used to sign and ratify o