The 80th UN General Assembly high-level debate was held from 23–29 September 2025. We tracked what governments said about disarmament, militarism, and war.

The 80th session of the UN General Assembly First Committee on Disarmament and International Security will meet from 8 October–7 November 2025 in New York.

To mark the International Day for the Total Elimination of Nuclear Weapons, the UN held a high-level event on 26 September 2025.

The 14th Conference on Facilitating Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty (Article XIV Conference) took place at the UN in New York on 26 September 2025.