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The day of the first atomic bomb explosion – level 1
16-07-1945On July 16, 1945, the United States does the first successful...
The day of the first atomic bomb explosion – level 2
16-07-1945On July 16, 1945, the United States did the first successful...
The day of the first atomic bomb explosion – level 3
16-07-1945On July 16, 1945, the United States successfully conducted the first...
