Wales ' 21 -- 18 victory made them the only Northern Hemisphere nation to defeat a Tri-Nations country in 2008 .
Wales ' 21 -- 18 victory sent them up to fifth in the world rankings and later fourth .
Wales ' 21 -- 18 victory made them the only Northern Hemisphere nation to defeat a Tri-Nations country in 2008 , and sent them up to fifth in the world rankings and later fourth .