Sentence 1: The first flight by Air Ceylon on December 10 , 1947 was from Kankesanthurai to Madras via Ratmalana Airport .
Sentence 2: The inaugural flight by Air Ceylon on 10 December , 1947 , was from Kankesanthurai to Madras via Ratmalana Airport .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?