Sentence 1: Fiore became the center of a new and stricter branch of the Cistercian order , the 1198 by Celestine III .
Sentence 2: Fiore became the center of a new and stricter branch of the Cistercian order , approved by Celestine III in 1198 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?