Complex sentence: Dzierżoniów (or "Reichenbach im Eulengebirge"; from 1945-1946) is a Lower Silesian town since at least 1290 located in southwestern Poland in Lower Silesian Voivodeship (from 1975--1998 in the former Wałbrzych Voivodeship).
Split into simpler sentences: Dzierżoniów (or "Reichenbach im Eulengebirge"; from 1945-1946) is a town in southwestern Poland. It is situated in Lower Silesian Voivodeship (from 1975--1998 it was in the former Wałbrzych Voivodeship).