Hiroshima Day 2023: Date, History, Significance & Important Facts

Hiroshima Day is observed worldwide on August 6. The day marks the anniversary of nuclear attacks on the Japanese city of Hiroshima during World War II and aims to raise awareness of the devastating effect of nuclear bombs.

Hiroshima Day also pays homage to those who lost their lives in the attack and others who were left behind to suffer for decades.

Hiroshima Day 2023 Date

Below mentioned are the upcoming dates for Hiroshima Day 2023 for the next 5 years.

Hiroshima Day 2023August 6, 2023Sunday
Hiroshima Day 2024August 6, 2024Tuesday
Hiroshima Day 2025August 6, 2025Wednesday
Hiroshima Day 2026August 6, 2026Thursday
Hiroshima Day 2027August 6, 2027Friday

Hiroshima Day 2023 Overview

EventHiroshima Day 2023
DateAugust 6, 2023
Declared byJapan
PurposeTo raise awareness about the devastating power of nuclear bombs and remember the victims of nuclear bomb attacks in Hiroshima.

Quick Facts about Atomic Bombing & Hiroshima Day

Here are some hard-hitting facts about the Atomic Bombing of Hiroshima and Nagasaki which happened on August 6, 1945:

  1. The estimated number of people who died till the end of year 1945 due to radiation-related injuries and illnesses was around 140,000.
  2. Nuclear bomb that was dropped on Hiroshima has the explosive effect of more than 15,000 tons of TNT.
  3. Sources state that before dropping the atomic bomb over Hiroshima, the US Air force dropped pamphlets warning people of the bombing.
  4. The Peace Flame dedicated to the victims of the Hiroshima lit in 1964. The flame is still burning and will continue until all nuclear bombs on the planet are destroyed.
  5. Tsutomu Yamaguchi was a Japanese marine engineer who survived both Hiroshima and Nagasaki atomic bombings during World War II.

Other special days in August

Significance of Hiroshima Day

Hiroshima Day marks a destructive historical event that took place in Hiroshima, Japan in 1945 during the World War II when USA dropped atomic bomb on the city. Another counterpart event is Nagasaki Day which remembers similar nuclear attack on another Japanese city Nagasaki on 9 August 1945. Hiroshima was home to the 2nd Army Headquarters who were responsible for the defense of southern Japan and was therefore very important from military viewpoint.

It was also an important center of storage, communications, and assembly of soldiers. For these and many other reasons, Hiroshima was chosen as the first site for bomb dropping.

On August 6, 1945, an American bomber dropped an atomic bomb over Hiroshima killing around 80,000 people instantly. Three days later, a second bomber dropped another atomic bomb on Nagasaki killing another 40,000 people. After these two bombings Japan was forced to surrender unconditionally on August 15. The country saw major devastation and further damage came as a result of radiation that hung around for decades and took other tens of thousands of life year after year.

History of Hiroshima Day Observation

Japan marks the observation of Hiroshima Day on August 6 to raise awareness about the devastating power of the nuclear bombs, urging every nation to discourage its application. The day also reminds the world about the pain and suffering of victims of the attack and honors those who lost their life to this heinous action.

The attack took place in 1945 at the time of Second World War and this year marks the 77th anniversary of the explosion.

Hiroshima Day 2023 Observation

Not only Japan, but people from all over the world pay tribute to the victims of Hiroshima attack on the occasion of Hiroshima Day. In Japan, people visit Hiroshima Peace Memorial Park to pay their homage to the nuclear attack victims.

There is a peace flame monument within the park and the flame has been burning since 1964 and will continue to do so until all nuclear weapons are destroyed from the face of the planet. There are also many movies made on the nuclear bombing on Japan that tells the story of the attack that can be watched for more understanding of these attack and their effects.

Many events are organized on Hiroshima Day to teach people about the impact of nuclear weapons and urge for their complete elimination to achieve world peace. Nations are urged to discontinue any kind of work they are doing in this sector so that a world free from nuclear weapons can exist.


How many Hiroshima atomic bomb survivors are still alive?

More than about 1 lac survivors of the nuclear bomb attacks on Hiroshima and Nagasaki are still alive.

What are Little Boy and Fat Man?

Little Boy and Fat Man were the code-names given to the two nuclear bombs dropped on Hiroshima and Nagasaki respectively. The names were given because of their designs.

Is Hiroshima Day a Japanese observation day?

Everyone in the world is aware of the infamous nuclear attacks of Hiroshima and the action is condemned by almost every nation. Hiroshima day is more than a Japanese observation and is in fact observed in every part of the world.

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