Complex sentence: In 1778, he patrolled the a border of Austrian Bohemia during the tense negotiations surrounding Bavarian Succession crisis, and his entry into Bohemia in early July of that year was the first action of the War of the Bavarian Succession.
Split into simpler sentences: In 1778, he patrolled the a border of Austrian Bohemia during the tense negotiations surrounding Bavarian Succession crisis. His entry into Bohemia in early July of that year was the first action of the War of the Bavarian Succession.