The latter were to keep the name “Turkmen”for a long time: from the 13th century onwards they “Turkised”the Iranian populations of Azerbaijan (who spoke west Iranian languages such as Tat, which is still found in residual forms), thus creating a new identity based on Shiism and the use of Turkish. These are the people today known as Azeris.” ↑ Н. Г. Волкова. «Этнические процессы в Закавказье в XIX—XX веках», Кавказский Этнографический сборник, IV часть, Институт Этнографии им.