CHRONICLE CITY OF BIRIN
The annalistic city of Birin is mentioned in documents of the XIV - XVI centuries. This settlement was one of the fortresses built at the end of the 11th century to protect against attacks by nomads. In the XII century, he was in the possession of one of the representatives of the princely administration - the bird man or the herald. In the documents of the Crimean khans, Birin is mentioned as a settlement near Glinsky and Putivl. With this city you can identify the hillfortofKrosna near the village of Cossack. This fortification has powerful ramparts and is located on the border south of Putivl. In the 15th century, the settlement of the chronicle city of Birin was the center of the volost of the same name, which was owned by the boyars from the encirclement of the Kiev princes. Subsequently, the fortifications were used by craftsmen to extract nitrate.