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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)
15 Jun 2026
Informal exchanges on artificial intelligence in the military domain
23 Jun 2026
UNODA Geneva Branch
Workshop

(UNIDIR and UNODA: Space Law Bootcamp and Preparatory workshop on the OEWG on PAROS in all its aspects)
06 Jul 2026
Open-ended Working Group on Prevention of an Arms Race in Outer Space

(Third session)
13 Jul 2026
Qualified group of experts to prepare a comprehensive study of the question of nuclear-weapon-free zones

(Third Session)
20 Jul 2026
Global Mechanism on ICTs in the Context of International Security
Plenary
27 Jul 2026
Conference on Disarmament

(Part III)
17 Aug 2026
Biological Weapons Convention
Ninth session Working Group on the strengthening of the Convention
31 Aug 2026
Convention on Certain Conventional Weapons
Group of Governmental Experts on Lethal Autonomous Weapons Systems

(Second session)
01 Sep 2026
International Meeting on Victim Assistance and Environmental Remediation
07 Sep 2026
Convention on Certain Conventional Weapons
Preparatory Committee for the Seventh Review Conference
14 Sep 2026
Convention on Cluster Munitions
Third Review Conference
01 Oct 2026
General Assembly First Committee
Eighty-First session
09 Nov 2026
Convention on Certain Conventional Weapons
Protocol V Meeting of Experts
10 Nov 2026
Convention on Certain Conventional Weapons
Amended Protocol II Group of Experts
12 Nov 2026
Convention on Certain Conventional Weapons
Twentieth Protocol V Annual Conference
13 Nov 2026
Convention on Certain Conventional Weapons
Twenty-Eighth Amended Protocol II Annual Conference

Conference on Disarmament

(Part III)

(2026)

Primary Organs

27 Jul 2026 — 11 Sep 2026

Geneva

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

Ninth session (2026)

Treaties and Other Instruments

17 Aug 2026 — 21 Aug 2026

Geneva

Convention on Certain Conventional Weapons — Group of Governmental Experts on Lethal Autonomous Weapons Systems

(Second session)

(2026)

Treaties and Other Instruments

31 Aug 2026 — 4 Sep 2026

Geneva

International Meeting on Victim Assistance and Environmental Remediation

(2026)

Other Bodies and Official Meetings

1 Sep 2026

New York

Convention on Certain Conventional Weapons — Preparatory Committee for the Seventh Review Conference

(2026)

Treaties and Other Instruments

7 Sep 2026 — 9 Sep 2026

Geneva

Convention on Cluster Munitions — Third Review Conference

(2026)

Treaties and Other Instruments

14 Sep 2026 — 18 Sep 2026

Vientiane

General Assembly First Committee

Eighty-First session (2026)

Primary Organs

1 Oct 2026 — 6 Nov 2026

New York

Convention on Certain Conventional Weapons — Protocol V Meeting of Experts

(2026)

Treaties and Other Instruments

9 Nov 2026

Geneva

Convention on Certain Conventional Weapons — Amended Protocol II Group of Experts

(2026)

Treaties and Other Instruments

10 Nov 2026 — 11 Nov 2026

Geneva

Convention on Certain Conventional Weapons — Twentieth Protocol V Annual Conference

(2026)

Treaties and Other Instruments

12 Nov 2026

Geneva

UNODA Meetings Place