Complex sentence: The Battle of Ulm (October 16--19,1805) was a series of minor skirmishes at the end of Napoleon Bonaparte's Ulm Campaign, culminating in the surrender of General Mack von Leiberich and the bulk of his army near Ulm in Württemberg.
Split into simpler sentences: The Battle of Ulm on 16--19 October 1805 was a series of minor skirmishes at the end of Emperor Napoleon's Ulm Campaign. It culminated in the surrender of Karl Freiherr Mack von Leiberich and a significant part of his army near Ulm in Württemberg.