Complex sentence: Perrot landed at Waterford in February of the following year and, during the course of a vigorous campaign in which he pursued the chief rebel, James Fitzmaurice Fitzgerald, reduced Munster to peace.
Split into simpler sentences: Perrot landed at Waterford in February of the following year. He pursued the chief rebel, James Fitzmaurice Fitzgerald in a vigorous campaign and reduced the province to peace.