On this day in history, Aug. 8, 1769, the Portolá Expedition — the first overland Spanish exploration of Alta California — crossed through what is now known as the Newhall Pass, entering the Santa Clarita Valley.  The trek, led by Governor Gaspar de Portolá and accompanied by engineer Miguel Costansó and Father Junipero Serra, marked ... The post Today In SCV History: August 8, 1769 — Portolá Expedition Crosses Into Santa Clarita appeared first on KHTS Radio. ...read more read less