I'm not sure what informs you that "I don't know what I'm talking about" but I can provide sources for everything I have said. It's well documented and known. None of this should be new information to anyone.

The work also reveals for the first time that Asians owe their relatively light skin to different mutations. That means that light skin arose independently at least twice in human evolution, in each case affecting populations with the facial and other traits that today are commonly regarded as the hallmarks of Caucasian and Asian races.

https://www.washingtonpost.com/archive/politics/2005/12/16/scientists-find-a-dna-change-that-accounts-for-white-skin/044388e3-441e-4ae0-9fed-67c27134d00e/

Below is a basic summary of the Aryan people and their migration to Iran. You are welcome to read it or not. You said you don't care, so I'm sure you probably won't read it.

https://en.wikipedia.org/wiki/Aryan

Below is an additional source on the parallel development of "light skinned" skin pigmentation as determined by genetic research.

https://www.pnas.org/doi/10.1073/pnas.2009227118