Chronology of Concord History
1820’s Spanish Exploration Continues
- Spanish expeditions explore but do not settle the valley.
1830’s: Mexican Land Grants Assigned
- Don Salvio Pacheco receives Monte del Diablo Land Grant. His uncle, Don Miguel Pacheco, received the adjacent Arroyo de las Nueses y Bolbones land grant, which included all of Concord’s Ygnacio Valley.
- Don Salvio sends his son, Fernando, to occupy his land as the Rancho Monte del Diablo. Don Miguel’s widow, Dona Sanchez, occupies theirs as Rancho San Miguel.
1840’s: Transition Begins
- Salvio Pacheco Adobe is built in 1846. Pacheco and Galindo families move to Rancho Monte del Diablo.
- Gold Rush exposes valley to “Americans.”
- Small pueblo forms around/near Salvio Pacheco adobe for families of rancho servants and vaqueros. Includes small store and school.
