Complex sentence: There is one notable accident in the J class's service history, when on January 23,1956, No.611 derailed along the Tug River near Cedar, West Virginia while pulling the "The Pocahontas".
Split into simpler sentences: There is one notable accident in the J class's service history. On January 23,1956,611 derailed along the Tug River near Cedar, West Virginia while pulling the "The Pocahontas".