Hiroshima Day 2025: Date, history, significance, and powerful quotes & all about world's first nuclear attack

Hiroshima Day is observed every year on 6 August to commemorate the victims of the world's first nuclear attack on Japan during World War II and to promote peace and nuclear disarmament. Around 100,000 survivors of the atomic bombings are still alive. Many stayed silent for decades, either to avoid discrimination or because the trauma was too deep to speak about.

However, in recent years, some ageing survivors have begun to share their stories. They hope their words will inspire future generations to demand a world free from nuclear weapons. In a powerful moment last year, a group of these atomic bombing survivors was honoured with the Nobel Peace Prize for their lifelong efforts in the fight for nuclear disarmament.

In 2025, on the 80th anniversary, the day carries even more weight as the world continues to face growing tensions and nuclear threats. This article covers the date, history, significance, and inspiring quotes related to Hiroshima Day 2025 to help you understand why it remains a global reminder of peace and resilience.


Hiroshima Day is marked annually on 6 August. In 2025, it will fall on a Wednesday. The date commemorates the day in 1945 when the United States dropped the first atomic bomb on the Japanese city of Hiroshima, forever changing the course of world history.


On 6 August 1945, during World War II, the city of Hiroshima was bombed by the United States. The bomb, nicknamed "Little Boy", instantly killed over 70,000 people and ended up killing over 140,000.Tens of thousands more died from radiation exposure in the following months and years.This marked the first use of nuclear weapons in war, followed by another bombing three days later in Nagasaki on 9 August 1945 that killed over 200,000 people by the end of the year.The event was a turning point that led to Japan’s surrender and the end of World War II on August 15.


Remembrance: It honours the victims who lost their lives in the bombing.

• Awareness: Highlights the horrifying impact of nuclear weapons on humanity and the environment.
• Peace Advocacy: Promotes nuclear disarmament and peaceful conflict resolution.
• Global Solidarity: Encourages nations to unite for a future without nuclear threats.

Every year on Hiroshima Day, peace marches, memorial services, and educational programmes are held to remind the world of the horrors caused by nuclear weapons. Schools, universities, and peace groups organise debates, exhibitions, and candlelight vigils.The Hiroshima Peace Memorial Park in Japan sees thousands of visitors.Countries and organisations use the day to urge nuclear treaties and disarmament.


Here are a few powerful quotes that reflect the spirit of Hiroshima Day:

• “The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.” – Albert Einstein
• “When the power of love overcomes the love of power, the world will know peace.” – Jimi Hendrix
• “Remembering Hiroshima is to commit ourselves to peace.” – Pope Francis
• “Hiroshima teaches us the true meaning of resilience.” – Unknown

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