>Aryans/PIE for XIX century historians, writers
Highly sophisticated civilization somewhere in Hyperborea with a material development at the level or even superior to Egypt and Sumer, a civilization whose fall at the hands of Barbarians of Yellow race (Turkics according to Gobineau; Eskimos according to Lovecraft, etc.) did lead to Hebrew like Exodus/Migration into different places in Europe and South Asia were they founded new civilizations based on their hyperborean cities. Enemies of Yellow races who represented the barbarical chaotic evil rootless forces of the steppes.

Examples: Tolkien's at "Numenor", Lovecrat's at "Polaris", Gobineau at L'histoire de Gamber-Aly, etc etc etc.


>Historical Aryans/PIE
A bunch of inbreed illiterate cultureless hillbilly redneck savage nomad barbarians from the Russian steppes not different from the Asiatic barbarians that XIX century Europeans tought caused the fall of Aryan/PIE original civilization; whose migration caused the fall of factual civilized epicenters such as Megalithic civilization in the West and Proto poo-Poo Hindus Valley civilization.