...m that the conquest of California had been achieved. Fremont and a party of explorers, sixty in number, joined by American settlers in the vicinity of San Francisco, had captured a Mexican force at Sonoma pass, June 15, 1846, with the garrison, nine cannon, and 250 muskets. He then defeated another force at Sonoma, and drove the Mexican authorities out of that region of country. On July 5 the Amer...