 Ramba uchinyora ndima iyi - Mission San Francisco Solano, basa rokupedzisira uye rokumusoro, rakanga ririwo roga rakavakwa pashure pokunge vaMexicokuzvimiririra. Gavhuna aida kuvapo kwevaMexico kuchamhembe kweSan Francisco Bay kuti varambe vari kure navaRussia vakanga vagadza Fort Ross. Muna July 1835 Mission San Francisco Solano yakatorwa naGeneral Mariano Guadalupe Vallejo, komisheni wenyika, pazera remakore 27. Pakutanga akapa dzimwe dzenyika kuvashandi vomumishinari vomunzvimbomo sezvakanga zvarayirwa. Asi gare gare akatamisira ivhu rose nezvivako kuRancho yake Petaluma Adobe ye44,000 maeka muPetaluma Valley. Vallejo akaronga guta reSonoma muna 1835. Akaita kuti pave nenzvimbo huru pamberi pechechi yekare yeMission. Asi ipapo akatora mataira edenga rechechi ndokuagadzika paimba yake amene. Zvino mumugariro wakashata zvikuru, chechi yeMission yakaparadzwa. Achida chechi nokuda kweguta raakaita, muna 1841 Vallejo akaita kuti chechi duku ivakwe panzvimbo yakanga yaimbova nechechi yeparishi yapakuvamba. Musi waJune 14, 1846, taundi reSonoma rakatorwa nevaAmerican vakatanga kugara imomo vakazivisa California Republic. General Vallejo akatapwa uye mureza weBear wakasimudzwa. Mureza weBear wakanga uchibhururuka pamusoro peSonoma kusvikira pana July 9, 1846, apo California yakava rutivi rweUSA. 