Complex sentence: On 17 July 1997, the 32nd Indiana Monument, along with the nearby Union Monument in Louisville, also at Cave Hill Cemetery, was added to the National Register of Historic Places--two of 60 American Civil War monuments in Kentucky honored on the same day.
Split into simpler sentences: On 17 July 1997, the 32nd Indiana Monument was added to the National Register of Historic Places. The 32nd Indiana Monument and the nearby Union Monument in Louisville, also at Cave Hill Cemetery, are among the 60 American Civil War monuments in Kentucky honored on the same day.