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11 Aug 2025
Biological Weapons Convention
Sixth session Working Group on the strengthening of the Convention
01 Sep 2025
Convention on Certain Conventional Weapons
Group of Governmental Experts on Lethal Autonomous Weapons Systems

(Second session)
08 Sep 2025
Convention on Certain Conventional Weapons
Protocol V Meeting of Experts
09 Sep 2025
Convention on Certain Conventional Weapons
Amended Protocol II Group of Experts
09 Sep 2025
UNODA Conventional Arms Branch
Event
16 Sep 2025
Convention on Cluster Munitions
Thirteenth Meeting of States Parties
08 Oct 2025
General Assembly First Committee
Eightieth session
10 Nov 2025
Convention on Certain Conventional Weapons
Protocol V Annual Conference
11 Nov 2025
Convention on Certain Conventional Weapons
Amended Protocol II Annual Conference
12 Nov 2025
Convention on Certain Conventional Weapons
Meeting of High Contracting Parties
17 Nov 2025
Conference on the Establishment of a Middle East Zone Free of Nuclear Weapons and Other Weapons of Mass Destruction
Sixth session
01 Dec 2025
Anti-Personnel Landmines Convention
Meeting of States Parties
01 Dec 2025
Qualified group of experts to prepare a comprehensive study of the question of nuclear-weapon-free zones

(First session)
08 Dec 2025
Biological Weapons Convention
Seventh session Working Group on the strengthening of the Convention
15 Dec 2025
Biological Weapons Convention
Meeting of States Parties
19 Jan 2026
Conference on Disarmament

(Part I)
09 Feb 2026
Biological Weapons Convention
Eighth session Working Group on the strengthening of the Convention
02 Mar 2026
Convention on Certain Conventional Weapons
Group of Governmental Experts on Lethal Autonomous Weapons Systems

(First session)
09 Mar 2026
Qualified group of experts to prepare a comprehensive study of the question of nuclear-weapon-free zones

(Second session)
30 Mar 2026
Global Mechanism on ICTs in the Context of International Security
Plenary

(Organizational Meeting)
06 Apr 2026
United Nations Disarmament Commission
27 Apr 2026
Treaty on the Non-Proliferation of Nuclear Weapons
Eleventh Review Conference
11 May 2026
Conference on Disarmament

(Part II)
01 Jun 2026
Programme of Action on Small Arms and Light Weapons
Ninth Biennial Meeting of States
01 Jun 2026
Programme of Action on Small Arms and Light Weapons

(Open-Ended Technical Expert Group)

Treaty on the Prohibition of Nuclear Weapons — First Review Conference

(2026)

Treaties and Other Instruments

30 Nov 2026 — 4 Dec 2026

New York

Global Mechanism on ICTs in the Context of International Security — Dedicated Thematic Groups

(2026)

Conferences and Working Groups

7 Dec 2026 — 11 Dec 2026

New York

Biological Weapons Convention — Working Group on the strengthening of the Convention

Tenth session (2026)

Treaties and Other Instruments

7 Dec 2026 — 11 Dec 2026

Geneva

Biological Weapons Convention — Meeting of States Parties

(2026)

Treaties and Other Instruments

14 Dec 2026 — 16 Dec 2026

Geneva

UNODA Meetings Place

Treaty on the Prohibition of Nuclear Weapons — First Review Conference

Global Mechanism on ICTs in the Context of International Security — Dedicated Thematic Groups

Biological Weapons Convention — Working Group on the strengthening of the Convention

Biological Weapons Convention — Meeting of States Parties