The International Day for the Total Elimination of Nuclear Weapons, observed annually on September 26, serves as a critical reminder of the world’s ongoing struggle against one of the most dangerous threats to humanity—nuclear weapons.
Year |
Notable Event |
1945 |
The atomic bombs destroyed Hiroshima and Nagasaki, killing an estimated 213,000 people immediately. |
1946 |
The General Assembly identified nuclear disarmament as a leading goal of the United Nations in its first resolution. |
1959 |
The General Assembly included nuclear disarmament in the comprehensive goal of general and complete disarmament. |
1963 |
The Treaty Banning Nuclear Weapon Tests (Partial Test Ban Treaty) was opened for signature, prompted by the Cuban Missile Crisis. |
1978 |
The General Assembly held its first Special Session Devoted to Disarmament, prioritizing nuclear disarmament and prevention of nuclear war. |
1985 |
The South Pacific became the second nuclear-weapon-free zone (Treaty of Rarotonga). |
1991 |
South Africa voluntarily renounced its nuclear weapons program. |
1992 |
Belarus, Kazakhstan, and Ukraine renounced nuclear weapons via the Lisbon Protocol to the Strategic Arms Reduction Treaty (START I). |
1995 |
The NPT Review and Extension Conference adopted decisions on the indefinite extension of the Treaty and related principles and objectives. |
1995 |
Southeast Asia became the third nuclear-weapon-free zone (Bangkok Treaty). |
1996 |
Africa became the 4th nuclear-weapon-free zone (Pelindaba Treaty). |
1996 |
The International Court of Justice provided an advisory opinion on the legality of the threat or use of nuclear weapons. |
1996 |
The Comprehensive Nuclear-Test-Ban Treaty opened for signature. |
2006 |
Central Asia became the 5th nuclear-weapon-free zone (Treaty on a Nuclear-Weapon-Free Zone in Central Asia). |
2013 |
The General Assembly held its first high-level meeting on nuclear disarmament and declared September 26 as the International Day for the Total Elimination of Nuclear Weapons. |
2017 |
The Treaty on the Prohibition of Nuclear Weapons was adopted, the first legally binding instrument for nuclear disarmament in 20 years. |
2020 |
The fiftieth anniversary of the entry into force of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). |
2021 |
The Treaty on the Prohibition of Nuclear Weapons entered into force on January 22. |
2021 |
The New START treaty was extended until February 4, 2026. |
2022 |
States parties to the TPNW adopted the “Vienna Declaration” at the First Meeting of the States parties. |
2023 |
The Russian Federation announced it would suspend participation in the New START treaty. |
2023 |
The first session of the Preparatory Committee for the 2026 Review Conference of the NPT took place. |
2023 |
The Russian Federation announced withdrawal from the Comprehensive Nuclear-Test-Ban Treaty on November 2. |
2024 |
The second session of the Preparatory Committee for the 2026 Review Conference of the NPT took place in Geneva. |
The International Day for the Total Elimination of Nuclear Weapons is a crucial observance aimed at reinforcing global commitments to nuclear disarmament. It emphasizes the urgent need for collective action to address the existential threat posed by nuclear weapons and to strive for a peaceful, secure world free from these arms.