historically

from WordNet (r) 3.0 (2006)

historically
    adv 1: throughout history; "historically they have never
           coexisted peacefully"
    2: with respect to history; "this is historically interesting"

from The Collaborative International Dictionary of English v.0.48

Historically \His*tor"ic*al*ly\, adv.
   In the manner of, or in accordance with, history.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

40 Moby Thesaurus words for "historically":
      actually, aforetime, before, before now, beforetime, certainly,
      earlier, erenow, erewhile, erst, factually, formerly, forsooth,
      heretofore, hitherto, in fact, in reality, in the past,
      in times past, in truth, in very sooth, indeed, indeedy,
      nothing else but, of a truth, only yesterday, prehistorically,
      previously, priorly, really, really-truly, recently, then, truly,
      undoubtedly, verily, veritably, whilom, with truth, yesterday