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A historical timeline of Oceanside and some of its notable events.
Explore the. History of Oceanside. Landmarks define O’side from Mission San Luis Rey to the “Top Gun” house. You’re invited to go back in time. The indigenous people whose land became Oceanside were called “Luisenos” by the Franciscans who founded the Mission San Luis Rey in 1798, following the arrival of the Spanish explorer Portola in 1769.
Oceanside at a Glance. Interstate 5, a major north/south corridor, bisects Oceanside one mile east of the ocean. State Highway 78 intersects Interstate 15 at Escondido, 29 miles to the east. State Highway 76 runs east to I-15. Oceanside's climate is one of the most desirable in the world!
