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