With a POD no earlier than 1700, combine as many Romance languages as possible into one language by 2015. This language, let's call it Romanese, could have dialects as similar as Catalan is to Aragonese, or Aragonese to Spanish. Please try to explain it with as many linguistic maps and linguistic explanations as possible. Please do not protest the "impossibility" of this, regardless of your personal opinions or your own handpicked facts.