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International Day for the Total Elimination of Nuclear Weapons

On International Day for the Total Elimination of Nuclear Weapons, let's come together and raise awareness about the dangers of nuclear weapons and advocate for a peaceful future.

Saturday

September 2026

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATESeptember 26

OBSERVED INInternationally

CATEGORYAwareness

SUBCATEGORYSocial Justice

INTRO

Introduction

PHOTO

Get ready to join the global movement towards a world free of nuclear weapons on September 26, also known as International Day for the Total Elimination of Nuclear Weapons. This day was established by the United Nations General Assembly in 2013 and serves as a reminder of the catastrophic consequences of these deadly weapons. It's a chance for individuals and nations alike to come together and advocate for nuclear disarmament, promoting peace and security for all. Let's take this opportunity to raise awareness and work towards a safer and more peaceful future!

TIMELINE

International Day for the Total Elimination of Nuclear Weapons Timeline

Hiroshima and Nagasaki

The United States drops atomic bombs on the Japanese cities of Hiroshima and Nagasaki, marking the first and only use of nuclear weapons in warfare.

Formation of IAEA

The International Atomic Energy Agency (IAEA) is established to promote peaceful use of nuclear energy and to prevent its use for any military purpose, including nuclear weapons.

Signing of NPT

The Treaty on Non-Proliferation of Nuclear Weapons (NPT) is signed, intending to prevent the spread of nuclear weapons and weapon technology.

CTBT Adoption

The Comprehensive Nuclear-Test-Ban Treaty (CTBT) is adopted at the United Nations General Assembly, aiming to ban all nuclear explosions in all environments.

Establishment of the Day

The United Nations General Assembly declares September 26 as the International Day for the Total Elimination of Nuclear Weapons, promoting awareness and education about nuclear disarmament.

GET INVOLVED

How to Celebrate International Day for the Total Elimination of Nuclear Weapons

Join a protest against nuclear weapons

Find a local protest or rally that aims to raise awareness about the dangers of nuclear weapons and participate in it. This is a powerful way to show your support for the cause and demand action from world leaders.

EDUCATE

Educate yourself and others about nuclear disarmament

Take the time to learn more about nuclear disarmament and share your knowledge with others. This can be through social media, organizing a discussion group, or even just having conversations with friends and family.

WRITE

Write to government officials

Use your voice to demand action from your government by writing letters or emails to your local representatives. Let them know that you support the elimination of nuclear weapons and urge them to take action towards this goal.

ORGANIZE

Organize a film screening

Host a screening of a documentary or film that sheds light on the impact of nuclear weapons and the need for disarmament. This can also be a great way to raise funds for organizations working towards this cause.

ATTEND

Attend a lecture or workshop

Look for events in your community that focus on nuclear disarmament and attend them. This can be a great opportunity to learn more about the issue and connect with like-minded individuals who are also passionate about achieving a world free of nuclear weapons.

WHY THIS DAY MATTERS

Why International Day for the Total Elimination of Nuclear Weapons is Important

Encourages Global Cooperation

This day is an opportunity for countries to come together and work towards a common goal - a world free of nuclear weapons. It encourages dialogue, collaboration, and joint efforts in seeking solutions to this pressing issue facing our world today.

Promotes Peace and Security

The International Day for the Total Elimination of Nuclear Weapons draws attention to the urgent need for global disarmament. By raising awareness about the dangers of nuclear weapons and advocating for their elimination, it helps promote a safer and more peaceful world for all.

Protects the Environment

Nuclear weapons not only have devastating effects on human life, but also cause significant damage to the environment. The International Day for the Total Elimination of Nuclear Weapons highlights the importance of protecting our planet from the catastrophic consequences of these weapons.