original: in march 2001 , the world wrestling federation purchased world championship wrestling .
simplifications: in march 2001 , the world wrestling federation bought world championship wrestling . the world wrestling federation purchased world championship wrestling in march of 2001 . in march 2001 , the world fighting federation got to own world sporting event fighting . in march 2001 , the world wrestling federation bought world championship wrestling . in march 2001 , the world wrestling federation purchased world championship wrestling . in march 2001 , the world wrestling federation bought world championship wrestling . the world wrestling federation bought world championship wrestling in march 2001 . in march 2001 , the world wrestling federation bought world championship wrestling .