Although there is debate about its origin, the most commonly accepted hypothesis among secular linguists is that Indo-European dates from about 4000 BC, and originated in the Caspian steppe. Creationists believe that major language groups, perhaps including Proto-Indo-European, were created by God in about 2200 BC following the destruction of the Tower of Babel. | Although there is debate about its origin, the most commonly accepted hypothesis among secular linguists is that Indo-European dates from about 4000 BC, and originated in the Caspian steppe. Creationists believe that major language groups, perhaps including Proto-Indo-European, were created by God in about 2200 BC following the destruction of the Tower of Babel. |