| First Nuclear Weapon Hold Year | Answer | % Correct |
|---|---|---|
| 1945 | United States | 98%
|
| 1948 | Russia(Soviet Union) | 94%
|
| 1952 | United Kingdom | 88%
|
| 1963 | France | 82%
|
| 1963 | China | 71%
|
| 1966 | Israel | 57%
|
| 1997 | Pakistan | 55%
|
| 1997 | India | 53%
|
| 2006 | North Korea | 49%
|
| 1970 | South Africa | 49%
|
| 1991 | Kazakhstan | 39%
|
| 1991 | Ukraine | 39%
|
| 1991 | Belarus | 35%
|