#ThisDayInHistory: 1949 - The Soviet Union tests its first atomic bomb, known as First Lightning or Joe 1, at Semipalatinsk, #Kazakhstan.
7:31 AM - 29 Aug 2012
0 replies
7 retweets
0 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.