The Collaborative International Dictionary of English v.0.48:

Anglo- \An"glo-\[NL. Anglus English. See Anglican.]
   A combining form meaning the same as English; or English and,
   or English conjoined with; as, Anglo-Turkish treaty,
   Anglo-German, Anglo-Irish.
   [1913 Webster]

   Anglo-Danish, a. Of or pertaining to the English and Danes,
      or to the Danes who settled in England.
      [1913 Webster]