Input (grade 13): By 1928, the regional government was moved from the old Cossack capital Novocherkassk to Rostov, which also engulfed the nearby Armenian town of Nor Nakhijevan (Nakhijevan, Proletarskiy district now).
Output (grade 8): By 1928, the regional government was moved from the old Cossack capital Novocherkassk to Rostov. The nearby Armenian town of Nor Nakhijevan became a part of the city.