Given the task definition and input, reply with output. Given a text, write a compressed version of it in a single sentence.

To the south of the Staatsoper on the corner of the square is St. Hedwigs-Kathedrale, from 1747, a huge, domed structure built for the Catholics incorporated into Protestant Prussia by Frederick's conquest of Polish Silesia.
To the south of the Staatsoper on the corner of the square is St. Hedwigs-Kathedrale,from 1747, a huge domed structure built for the Catholics inc.