The three legion numbers were never used again by the Romans after this defeat , unlike other legions that were restructured â `` a case unique in Roman history . The three legion numbers were never used again by the Romans after this defeat , unlike other legions that were restructured - a case unique in Roman history except for the XXII Deiotariana legion , which was disbanded after heavy losses against the Jewish rebels in the Bar Kokba revolt ( 132 â `` 136 ) in Israel .