Complex sentence: Rivington was created a parish out of the ancient ecclesiastical parish of Bolton le Moors in 1856, and at their own cost, and by a privilege that only eleven churches in the country possessed, the parishioners were able to select their own minister.
Split into simpler sentences: Rivington was created a parish out of the ancient ecclesiastical parish of Bolton le Moors. In 1856, and at their own cost, and by a privilege that few churches in the country possessed, the parishioners were able to select their own minister.