Yes but not caused by the us.
While there were a few cases of nuclear espionage involving various people, only Julius and Ethel Rosenberg were executed at Sing Sing for nuclear espionage.
One event that shows how close the US and USSR came to nuclear war during the Cold War is the Cuban Missile Crisis in 1962. The Soviet Union placed nuclear missiles in Cuba, sparking a tense standoff with the US that lasted for several days. Another event is the 1983 incident involving the Soviet military officer Stanislav Petrov, who prevented a nuclear war by correctly identifying a false alarm of a US missile attack. This incident highlighted the potential for accidental nuclear war due to technological and human errors.
the world will blow up
Preventing nuclear war - A PEEx
If you mean only involving the US, than the Civil War.
What nuclear war? The only nuclear war ever was the two bombs dropped on Japan to end WW2.
Nuclear weapons WERE the cold war. No Nukes, No Cold War.
The first official battle of World War II involving overt US military presence was the Battle of Pearl Harbor.
Nuclear war (Atomic War).
nuclear attacks
nuclear attacks
In the 18th, 19th, and 20th centuries, it was the Vietnam War.