Trivia: A San Diego petroglyph from 1542 showed Spanish explorers with what image?
Sword
Jewels
Ship
Bible
The correct answer is Ship
So why is this answer correct? : A petroglyph from the San Diego area may represent the oldest graphic representation of an event in United States history. The boulder features a carving of a Spanish ship, thought to be Spanish explorer Juan Rodriguez Cabrillo’s ship in 1542. It was the first European ship to survey what is now Southern California, and the carving was made by the Indigenous Kumeyaay peoples.