Sentence 1: The first known European observation of Whidbey Island was at the `` Princesa Real '' during the Spanish expedition of Manuel Quimper and Gonzalo López de Haro in 1790 .
Sentence 2: The first known Spanish sighting of Whidbey Island was during the 1790 European expedition of Manuel Quimper and Gonzalo López de Haro on the `` Princesa Real '' .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?