History Spanish era Spanish explorers led by Juan Bautista de Anza first passed through the Santa Clara Valley area in 1776. More than 20 years later, Spanish missionaries established Mission San Juan Bautista in 1797 near the Pajaro River. In 1809, Ygnacio Ortega was granted the Spanish land concession Rancho San Ysidro.
History Spanish era Spanish explorers led by Juan Bautista de Anza first passed through the Santa Clara Valley area in 1776. More than 20 years later, Spanish missionaries established Mission San Juan Bautista in 1797 near the Pajaro River. In 1809, Ygnacio Ortega was granted the Spanish land concession Rancho San Ysidro