
International Day for the Total Elimination of Nuclear Weapons
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Join people all over the world on September 26 in an event or action to support the global elimination of nuclear weapons.
About Nuclear Abolition Day
In 2013, the United Nations General Assembly adopted Resolution 68/32 declaring September 26 to be the International Day for the Total Elimination of Nuclear Weapons. The principal objective of the day is to “enhance public awareness and education about the threat posed to humanity by nuclear weapons and the necessity for their total elimination, in order to mobilize international efforts towards achieving the common goal of a nuclear-weapon-free world.”
Every year on this date, the UN holds a high-level meeting of world leaders to discuss “urgent and effective measures” to achieve global nuclear disarmament. At the same time, citizens around the world organize events and undertake actions to support nuclear weapons abolition.
September 26 is also the anniversary of one of the times in which humanity has come perilously close to nuclear war. On this date in 1983, a nuclear weapons early warning facility in Russia detected an apparent incoming ballistic missile attack from the USA (later confirmed as a false alarm). Colonel Stanislav Petrov, Duty Officer at the facility, broke protocol by not affirming to senior command that the early warning satellites were detecting incoming nuclear missiles, thus preventing a possible ‘launch-on-warning, retaliatory nuclear strike’ from Russia, which would have triggered nuclear war.
See About for more background on Nuclear Abolition Day.
Message from the United Nations Secretary-General
Every year, the UN Secretary-General releases a statement (message) leading up to the International Day for the Total Elimination of Nuclear Weapons, and addresses the High-Level Meeting on September 26.
In his September 2024 message, UN Secretary-General António Guterres warned that:
“Growing geopolitical divisions and mistrust are driving tensions to new heights. Instead of dialogue and diplomacy being deployed to end the nuclear threat, another nuclear arms race is taking shape, and saber-rattling is re-emerging as a tactic of coercion. We need to stop the madness before it’s too late.”
Click here for the full message.
Watch this space for the UNSG 2025 message
which will be released soon.

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