‘Different Than’ or ‘Different From’: Which Should You Say?

It is a venerable piece of stylistic and grammatical instruction that one should write or say “different from” instead of “different than” (popular in America) or “different to” (popular in Britain). How venerable? The passage below occurred in Remarks on the English Language: In the Nature of Vaugelas’s Remarks on the French, by Robert Baker, published in 1770:

“is not Englifh”: sick burn, bro.

And this is from Seth T. Hurd, A Grammatical Corrector: Or, Vocabulary of the Common Errors of Spee...