The global population reached one billion somewhere around 1800, and was three billion in 1960. (2011 World Population Data Sheet, Population Reference Bureau)
This week's theme: The Seven Billion
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Fact-a-Day
November 2, 2011
November 2, 2011
The global population reached one billion somewhere around 1800, and was three billion in 1960. (2011 World Population Data Sheet, Population Reference Bureau)
This week's theme: The Seven Billion
