 Complete the following phrase:  With most of Silesia it was annexed by Prussia in 1742, and after the Napoleonic Wars became an important border town close to Russian Congress Poland  Emperor Alexander I passed it on his way to the 1815 Congress of Vienna. The Woischnik estates were a possession of the Henckel von Donnersmarck noble family until the town passed to the Silesian Voivodeship of the Second Polish Republic upon the 