In 1957 the Union of Soviet Socialist Republics exploded its first nuclear bomb. This event sparked the Cold War and would lead to the near-extinction of humanity. Until this event, the United States had held a monopoly on nuclear technology.
The US dropped nuclear bombs on Hiroshima and Nagasaki in Japan.
One big event that happened in 1961 was the inauguration of John F. Kennedy. Also, in 1961, China uses its 1st nuclear reactor.
A nuclear war never happened. You may be thinking of the Cuban Missile Crisis when the world came very close to nuclear war.
what event caused many Americans to worry about nuclear power
A criticality event, and high risk of loss of life and property.
On August 29, 1949, the first nuclear test was performed by the USSR.
On October 10, 1958, the US had nuclear tests performed in the state of Nevada.
If you mean 1956, it was the Suez Crisis. I don't know of any major event that happened in 1957 except for Harold MacMillan becoming Prime Minister, the end of petrol rationing following the Suez Crisis and the publishing of the Wolfenden report which recommended the decriminalisation of homosexuality.
Nuclear Dawn happened in 2011.
You use the word prior when speaking to an event, like; prior to an event, it means this happened before a certain event, or before something happened. Say there was a crime, and people were talking about how this happened, and what happened prior to this event.
The Cuban Missile Crisis is the event that brought the world closest to a nuclear fallout.
what astronomical event happened in august 1999