It was first mentioned in the 14th century as a settlement in the Ratno wedge of the Chelm region. In the 16th century, it was part of the Ratno starosty, which belonged to the royal domain of Poland. At that time, the village was inhabited by kmetes (servants of the Ratno castle). In 1546, in the description of the borders of the Grand Duchy of Lithuania and the Crown of Poland, Radostow in the Ratno district is mentioned as part of the Chelm region, Crown of Poland.

Written sources mention a church in 1588, 1634, and 1640 (Information from the book Cities and Villages of Belarus). From 1795, it was part of the Russian Empire, in the Kobryn district of the Slonim province, from 1797 in the Lithuanian province, and from 1801 in the Grodno province. The village on Schubert’s map from 1826-1840, as we can see on this map and subsequent ones, had two settlements, Raszyn (Rasen) Stary and Nowy, and towards the end of the 1900s, they merged into one village on the site of Stary Raszyn.

Our farms and islands, described below, on the site of which the village of Rozne was established. Military topographic map of the Russian Empire for 1846-1863: On the one-verst map: On the three-verst map: On the Polish WIG map: Also on the German kdwr map from 1920-1923: The village appeared in 1956-58 in connection with the drainage of swamps and the merger of the hamlets of Zawajewie, Kozie, Poliana, Rozne, Towscina, Czeremsz, and others.