 Complete the following phrase:  From 1356 Oster was under control of the Grand Duchy of Lithuania, and from 1569, under the Union of Lublin, it was part of the PolishLithuanian Commonwealth. In 1648 it became part of an uyezd county of the Pereiaslav regiment. From 1654, Oster was under control of the Russian Empire. In 1622, King Jan II Casimir granted Oster the Magdeburg rights and a coat of arms. After harsh battles of the 