Sacramento County, California was established on February 18, 1850 and named for the Sacramento River, which was named after the Holy Sacrament by Spanish cavalry officer, Gabriel Moraga, who led the first official Spanish expeditions into the Central Valley! “Sacramento” is the Spanish word for “Sacrament!” Its county seat is Sacramento, and its fair is also held in Sacramento! You might recognize the California State Capitol, Sutter’s Fort, the Folsom Powerhouse, and Fairytale Town, which are located in this county!