Sentence 1: On July 7 , 1997 , Pathfinder raised the altitude record for solar -- powered aircraft to , which was also the record for propeller -- driven aircraft .
Sentence 2: On 7 July 1997 , Pathfinder increased the altitude record for solar powered aircraft , which was also the record for propeller aircraft .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?