Complex sentence: The division under Bechler continued to hold out against Allied advances until its final capitulation in March 1945; the rest of the corps would be destroyed at the Ruhr pocket the following April in the Battle of Aachen.
Split into simpler sentences: The division under Bechler continued to hold out against Allied advances until its final capitulation in March 1945. The rest of the corps would be destroyed at the Ruhr pocket the following April in the Battle of Aachen.