Complex sentence: In 1886, David Schenck conceived the idea of making the Guilford Courthouse site a park, and the next year chartered the non-profit Guilford Battle Ground Company to advance his efforts.
Split into simpler sentences: In 1886, David Schenck conceived the idea of making the Guilford Courthouse site a park. The following year, he chartered the non-profit Guilford Battle Ground Company to advance his efforts.