Srednebeloe, fortress-1 - the new site of Mikhaylovskaya archeological culture in the Western Priamurie

The article provides the description of a fortress discovered by the author in Ivanovka District of Amur Region. The analysis of peculiarities of the site’s plans and of ceramic remains found in a shovel test pit made it possible to refer the fortress to Mikhaylovkaya archeological culture of the Western Priamurie. The appearance in the West Priamurie in the VII century the population of Mohe migrated from Mangzhu, has resulted in resettlement Bai Shiwei in the north and north-west direction. The complex relationship of aboriginal and migrant settlers forced to erect the first a fortress. The traditional culture Mikhailovskaya fortresses were round in the plan form. Under the influence of culture Mohe a Bei Shiwei Bay population began to build fortress of rectangular shape, like the Srednebeloye, fortress-1.