Where does the saying "when in rome" ariginate from?

Question

Where does the saying "when in rome" ariginate from?

Answer 1

ummmmm,,,,rome. who cares

Answer 2

The gladiator days in the coliseum-when in Rome, do as the Romans.

Answer 3

WHEN IN ROME, LET THEM EAT CAKE

Answer 4

If you were not a follower you were "against" the culture.  the Romans were so powerful that  you never went against or you are asking for punishment (public).  So, as such a high profile and well known culture, if we know what's good for us, "When in Rome..."

Answer 5

I think that it came from some old movie.

Answer 6

when in Rome do as the Romans do , i think this means assimilate not separatism