Complex sentence: The Prussian troops at Maladrie checked the advance of the French upon Thuin, and maintaining their ground for more than an hour, with the greatest bravery, but they were overpowered, and driven back upon Thuin.
Split into simpler sentences: The Prussian troops at Maladrie checkedthe advance of the French upon Thuin, and maintaining their ground for more than an hour, with the greatest bravery. But they were overpowered, and driven back upon Thuin.