Sentence 1: On October 11 , 1975 , Hill Bill married Hillary , and her only child , Chelsea , was born on February 27 , 1980 .
Sentence 2: Hillary married Bill on 11 October 1975 , and their only child , Chelsea , was born on February 27 , 1980 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?