I don't think they ever gave out a date when they wanted a finished version out.
"Larry Wall and other active Perl porters and Perl helpers met on Tuesday afternoon at Perl Conference 4.0 and mapped out a what is planned to become a complete rewrite of Perl that will become Perl 6 in 18 to 24 months." -- Linux Today, byline July 19, 2000 http://www.linuxtoday.com/developer/2000071901704OSSW
Cross-checked against an eyewitness report by Chris Nandor, published at http://use.perl.org/use.perl.org/articled5d3.html?sid=00/07/... on July 19, 2000.