Another author notes that in the past it served as “the major invasion route to Europe from the east for the Huns, Tartars, Mongols, and Turks. ”
Kāds cits autors norāda, ka pagātnē tā bija ” galvenais ceļš, pa kuru no austrumiem Eiropā ienāca huņņi, tatāri, mongoļi un turki ”.