The atomic bombing of Hiroshima was a major event of World War II and took place at 8:15 a.m. local time (JST - Japan Standard Time). It was the first use of a nuclear weapon for military purposes. Here are the key points of this historic event:
Background: Japan was one of the countries at war during World War II and had already invaded parts of East Asia. The United States, allied with other nations, sought to end the conflict quickly and decisively.
Nuclear weapons: The United States had developed two types of atomic bombs: uranium-235 called "Little Boy" and plutonium-239 called "Fat Man". The "Little Boy" was dropped on Hiroshima.
The attack: An American bomber named Enola Gay dropped the "Little Boy" atomic bomb on the city of Hiroshima, Japan. The bomb exploded about 600 meters above the city, creating a huge ball of fire.
Aftermath: The explosion caused massive destruction in the city. Buildings were instantly destroyed over much of the affected area, and large numbers of people were instantly killed or succumbed to serious injuries. The effects of the explosion caused widespread fires and a destructive shock wave.
Casualties: The atomic bombing of Hiroshima is estimated to have killed around 140,000 people in total, either immediately after the explosion or due to injuries and radiation in the months that followed. Many people have also suffered from radiation-related illnesses and long-term effects.
Long-term consequences: Survivors of the explosion, known as "hibakusha", suffered long-term health problems, including radiation-related illnesses and cancers. The city of Hiroshima was rebuilt after the war, but the event left an indelible mark on the history of Japan and the world.
Effect on the war: The bombing of Hiroshima had a significant impact on Japan. The Japanese realized the destructive power of nuclear weapons and the catastrophic consequences they could have on their country. This contributed to Japan's decision to surrender days later on August 15, 1945, ending World War II.
The atomic bombing of Hiroshima remains a subject of debate and reflection concerning the humanitarian and ethical consequences of the use of nuclear weapons.