Complex sentence: The Diocese of Manchester was founded in 1847, having previously been part of the Diocese of Chester, and originally covered the historic hundreds of Salford, Blackburn, Leyland and Amounderness.
Split into simpler sentences: The Diocese of Manchester was founded in 1847, having previously been part of the Diocese of Chester. It originally covered the historic hundreds of Salford, Blackburn, Leyland and Amounderness.