Coverage in this set includes the end of the U.S. involvement in the Vietnam War in 1973, the breakup of the Soviet Union in 1991, and the completion of sequencing the human genome in 2000.
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Coverage in this set includes the end of the U.S. involvement in the Vietnam War in 1973, the breakup of the Soviet Union in 1991, and the completion of sequencing the human genome in 2000.
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