Later than that
Most estimates put reaching the billion person milestone in 1800. Second billion in 1930. Third, fourth, and fifth in 1960, 1975 and 1987. I remember world population reaching 4 billion, it's now over six, having reached that number in 1999. [link|http://news.bbc.co.uk/hi/english/sci/tech/newsid_411000/411162.stm|Reference].
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Karsten M. Self [link|mailto:kmself@ix.netcom.com|kmself@ix.netcom.com]
[link|http://kmself.ix.netcom.com/|[link|http://kmself.ix.netcom.com/|http://kmself.ix.netcom.com/]]
What part of "gestalt" don't you understand?