Complex sentence: Katrina Wolf Murat (Countess Murat; August 20,1824-1910) was the German-born American pioneer, the first European woman in Denver, and the maker of the first United States flag in Colorado.
Split into simpler sentences: Katrina Wolf Murat (Countess Murat; August 20,1824-1910) was the German-born American pioneer. She was the first European woman in Denver, and the maker of the first United States flag in Colorado.