Complex sentence: In 2011, the United States Mint issued a quarter featuring the Chickasaw's Lincoln Bridge, a limestone bridge built in 1909 to commemorate the 100th birthday of Abraham Lincoln, as part of its America the Beautiful Quarters series.
Split into simpler sentences: In 2011, the United States Mint issued a quarter featuring the Chickasaw's Lincoln Bridge, a limestone bridge built in 1909 to commemorate the 100th birthday of Abraham Lincoln. This was as part of its America the Beautiful Quarters series.