Sentence 1: Following the resignation of Yoshinobu Shimamura , Iwanaga became Agriculture Minister on August 11 , 2005 .
Sentence 2: On August 11 , 2005 , Iwanaga became Minister of Agriculture following the resignation of Yoshinobu Shimamura .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?