Indigenous Aryans were inter-related, and the notion of biological race came to the forefront The "Aryan race," the presumed identity of Indo-European language speakers was prominent among such races, which was seen to be further subdivided into "European Aryans" and "Asian Aryans," each with their own homelands. Max Mueller, who translated the Rigveda during 1849–1874, postulated an original homeland for all Aryans in central Asia, from where a northern branch was believed to have migrated to Europe and a southern branch came to India and Iran. The Aryans were fair-complexioned Indo-European speakers who conquered the dark-skinned "dasas" of India. The upper castes,
Name of Andalusia Name of Andalusia The toponym "al-Andalus" () is first attested in inscriptions on coins minted by the Umayyad rulers of Iberia, from ca. 715. The etymology of the name has traditionally been derived from the name of the "Vandals" (who settled in Hispania in the 5th century). A number of proposals since the 1980s have contested this: Vallvé (1986) proposed derivation of the name of the "Atlantic". Halm (1989) derives the name from a reconstructed Gothic term "*landahlauts". Bossong (2002) suggests derivation from a pre-Roman substrate. The Spanish form "Andalucía" was introduced in the 13th century. The name was adopted