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by | Aug 7, 2025

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August 06, 1945:  Hiroshima and the Dawn of Nuclear Warfare

Aug 7, 2025 | Global Affairs









Yesterday, 80 years ago, at 8:15 a.m., an American B-29 bomber released a single atomic bomb, turning the vibrant city of Hiroshima into a smoldering wasteland. It was a turning point in human history, an event that not only ended World War II but also ushered in the terrifying dawn of the nuclear age, forever changing the nature of warfare and international relations. The devastation was unprecedented, and its legacy continues to haunt us, serving as a dreadful reminder of the horror of nuclear weapons.

During World War II, the atomic bomb that took place on the last days of World War II was on August 6, 1945, when the United States launched the first nuclear bomb in Hiroshima, the city of Japan. It is a turning point in human history. This was the first occasion when such a destructive force weapon was employed against civilians.

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Germany capitulated in the middle of 1945; nevertheless, Japan did not quit. The military of the United States believed that the invasion of the mainland of Japan would cause more loss of lives on both sides. American leaders preferred to end such a long war by utilizing a new type of weapon, which was developed secretly under the Manhattan Project, a research initiative that aimed at producing atomic bombs.

The event was not only the cause of the final surrender of Japan on 15 August 1945, but also the dawn of the nuclear age. The world was witnessing what the atomic powers were capable of and how disastrous they could turn out to be in a war. The Hiroshima bombing is one of the most debated and tragic events of modern history, and August 6 could be discussed as a dreadful reminder about the horrible nature of nuclear warfare and the price of scientific might.

Day of Destruction

Everybody was surprised that all this changed in a moment, on the morning of August 6, 1945, at 8:15 a.m. An American plane, the B-29 Bomber Enola Gay, flying so far above the city, released an atomic bomb, Little Boy. The bomb burst approximately 600 meters above the ground, and an immense amount of heat, light, and radiation burst off. This explosion formed a fireball that flattened out buildings, vaporized human beings, and caused massive fires across the city.

Seventy thousand to eighty thousand people died instantly. Others were incinerated, buried by falling buildings, or blown up and thousands succumbed to the effects of injuries, burns, and radiation sickness, a condition that is caused by a high dose of radiation. As of the end of 1945, there were nearly 140,000 deaths, with many suffering from extended health problems such as cancer and birth defects in their offspring. 

The Global Shockwave

On the 8th of August, 1945, when the atomic bomb was dropped on Nagasaki, the wave it made reverberated across the globe not only in scale of destruction, but as in its overall effect upon global politics, military policy, and global relations. Only 3 days after Hiroshima, the US bombed Nagasaki on August 9, killing an additional 70,000 people with a second Atomic bomb. Such bombings compelled Japan to surrender on August 15, 1945, to end World War II.

Japan Surrenders

To most people, this served as an illustration of the destructive capacity of nuclear bombs and how they could determine the fall of countries within seconds.

It ushered in the nuclear age. The nations started developing their nuclear weapons following the devastation that they had seen. This resulted in an extremely hazardous arms competition, particularly between, United States and the Soviet Union during the Cold War. Governments began developing new policies and unions concerning nuclear weapons. They came to know that now the world was to confront a new type of threat that could obliterate big cities within minutes.

Nuclear Age Dawn

Such a bombing of Hiroshima was not only the end of World War II but also the beginning of a new period in the history of the world: the nuclear era. Countries realized that they could now fight wars using weapons that could obliterate cities in a few seconds- this was the first time.

The Soviet Union promptly started developing its atomic bomb soon after the U. S bombed Hiroshima and Nagasaki, and tested the weapon in 1949. This started nuclear arms race, which brought together the two most powerful countries, the U.S and the USSR, as they competed in building increasingly powerful nuclear weapons. This competition became one of the greatest features of the Cold War.

Other nations did, as well. Countries such as the United Kingdom, France, China, India, Pakistan, and North Korea, over time, have become nuclear nations. It is also believed that Israel possesses nuclear armaments never been confirmed by the country.

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An attempt to curb this perilous state of affairs saw the international community introduce pacts like the Nuclear Non-Proliferation Treaty (NPT) in 1968, whose objective was to prevent the proliferation of nuclear arms and instead induce peaceful utilization of nuclear resources. Another significant organization, the International Atomic Energy Agency (IAEA), was established to check the nuclear facilities and ensure that countries adhere to safety regulations.

Nevertheless, despite the signing of treaties and surveillance, the possibility of a nuclear war has never ceased to exist. The world rests uneasily on tensions about the possession of nuclear weapons between nations, including India and Pakistan, North Korea and the U.S., or China and the U.S. International politics is shrouded in fear of a nuclear confrontation, either an accidental or intentional one.

Hiroshima’s Legacy and the Future of a Nuclear World

Over 70 years since the atomic bombing of Hiroshima, this memory continues to be very profound not only in the Japanese landscape but also in all the places across the globe. The date of August 6 has been annually celebrated as the day of remembrance and thought. In Hiroshima, thousands of people gather to remember the Peace Memorial Ceremony, which is held at the Hiroshima Peace Memorial Park, where the Atomic Bomb Dome, one of the structures that survived the explosion, still lingers as a haunting symbol of the tragedy.

Hiroshima Peace Memorial Museum is the record of the atrocities of the bomb in the form of photos, items, and testimonies. Tourists visit it to know what occurred on that day and make sure that it should never repeat itself.

Application of this sort of weapon against any civilian population has rekindled a universal argument on the morality of mass destruction, destruction of cities, and the accountability of technical advances in weaponry. These questions formed the basis of international humanitarian law, and among them are those stating the protection of the civilian population at war. Hiroshima was turned into an example of what could not exist in the future and a sign of the new warfare.

The nuclear war threat continues to pose a danger to the world nowadays as well. Others, such as North Korea, keep on testing missiles, and there is still nuclear tension between India and Pakistan, the U.S. and Iran, and even the great powers of the world. Treaties are being strained to hold, such as the Non-Proliferation Treaty (NPT), and arms control agreements have been frustrated or dead in recent years. Meanwhile, the movement toward worldwide disarmament with the support of the UN, including the Treaty of Prohibition of Nuclear Weapons (TPNW) in 2017, is gaining support, reportedly due to civil society and survivor-led groups. Hiroshima makes us remember that nuclear weapons are not weapons of war but a threat to the entire humanity.