Complex sentence: It was originally a recreational area known as Fern Grove as early as the 1880s, mostly used as a church camp, when the Louisville and Jeffersonville Ferry Company acquired it and developed it in order to increase the use of its ferry business.
Split into simpler sentences: It was originally a recreational area known as Fern Grove as early as the 1880s, mostly used as a church camp. The Louisville and Jeffersonville Ferry Company acquired it and developed it in order to increase the use of its ferry business.