I will prove you wrong. There's a citation to this usage in the OED back to 1811 that is specifically as I stated. If you had even tried to verify what you are writing you would have found this on your own. This is also flagrantly against this board's guidelines of arguing in good faith and not wasting time with flame bait writing such nonsense.
And look, if we're talking about an English word it is not unreasonable to reference the first instance of the word that language's country. But you sure did put effort in that point that technically speaking, there was an earlier police force, which also has almost no bearing on the idea that the word pig has been used to describe professional police for basically just as long as the english language would have been used to describe police.