Herzogtum Oppeln
In 1400 was made the formal division of the Duchy of Opole. Bernard obtained Strzelce and Niemodlin as sole ruler. One year later, in 1401, took place his marriage with Hedwig z Melsztyna and received the formal possession of Olesno and Lubliniec. In 1402 Bernard was recognized as a President of the Silesian states.