Concept:
During World War II, the United States used atomic bombs against Japan in August 1945.
These bombings became one of the most significant events in world history and contributed to the end of the war.
Step 1: Understand the historical background.
World War II was fought between:
• Allied Powers
• Axis Powers
Japan was a major member of the Axis Powers.
In August 1945, the United States decided to use atomic weapons against Japan to force surrender.
Step 2: Identify the city attacked first.
The first atomic bomb was dropped on:
\[
\text{Hiroshima}
\]
on:
\[
6 \text{ August 1945}
\]
Step 3: Identify the aircraft used.
The B-29 bomber aircraft that carried and dropped the atomic bomb on Hiroshima was named:
\[
\text{Enola Gay}
\]
The aircraft was piloted by:
\[
\text{Colonel Paul Tibbets}
\]
The plane was named after his mother, Enola Gay Tibbets.
Step 4: Know the bomb used.
The atomic bomb dropped on Hiroshima was called:
\[
\text{Little Boy}
\]
A second bomb named:
\[
\text{Fat Man}
\]
was later dropped on Nagasaki.
Step 5: Eliminate incorrect options.
• Sea-peace -- Incorrect
• Silence forever -- Incorrect
• Enola Gay -- Correct
• Buddha Smile -- Incorrect
Step 6: Conclusion.
Therefore, the correct answer is:
\[
\boxed{\text{Enola Gay}}
\]