Nizhniy Novgorod, city in western Russia, at the confluence of the Oka and Volga rivers. Nizhniy Novgorod is a major river port, railroad hub, and industrial center. The city is the site of one of the largest automobile factories in Russia, and its manufactures also include aircraft, textiles, and railroad and electric equipment. Nizhniy Novgorod has libraries, museums, a large university, and several technical schools. Historical structures include a stone kremlin (citadel) built in the 13th century, two 13th-century churches, and a 17th-century palace. Nizhniy Novgorod was founded in 1221. In the late 14th century the city was plundered by the Tatars before being annexed by Moscow in 1392. Important for its trade with Asia, the city became famous for its trade fairs, held annually from 1817 until 1917. From 1932 to 1991 it was named Gorky (also spelled Gorki or Gor'kiy) in honor of the Russian writer Maksim Gorky, who was born in the city. Population (1999 estimate) 1,361,500.