Complex sentence: Meanwhile, Wurmser steadfastly maintained the advantageous position at the nearby villages of Rückerts and Reinerz, and his forward patrols reached the outskirts of Glatz, and were able to cover the Silesian borders, almost reaching Schweidnitz.
Split into simpler sentences: Meanwhile, Wurmser maintained his position at the nearby villages of Rückerts and Reinerz. His forward patrols reached the outskirts of Glatz, and were able to cover the Silesian borders, almost reaching Schweidnitz.