Modern literature in Azerbaijan is based on the Shirvani dialect mainly, while in Iran it is based on the Tabrizi one. The first newspaper in Azerbaijani, ''Akinchi'' was published in 1875. In the mid-19th century, it was taught in the schools of Baku, Ganja, Shaki, Tbilisi, and Yerevan. Since 1845, it was also taught in the University of Saint Petersburg in Russia.