Complex sentence: The Action at Fayetteville (also known as the Battle of Fayetteville) was a battle of the American Civil War fought on April 18,1863, in Fayetteville, Arkansas.
Split into simpler sentences: The Action at Fayetteville, also known as the Battle of Fayetteville, was a battle of the American Civil War. It was fought on April 18,1863, in Fayetteville, Arkansas.