Cold War Arms Race

When did Russia test the H-bomb

When did the USA first successfully test the H-bomb?

America had more atomic weapons than the USSR during the Cold War?

Where was the first atomic bomb dropped?

Has a nuke ever been detonated on Australian soil?

Who was the President of America when they first dropped the atomic bomb?

What two countries were most involved in the Arms Race during the Cold War?

When did the arms race end?