In 1851, three years after the end of the Mexican-American War, William McDaniel purchased land from Juan Manuel Vaca, north of Fairfield within Solano County, California. William McDaniel agreed that a one square mile area would be used to create a township. On Dec. 13, 1851, a township called “Vacaville” was established. In 1892, Vacaville, California was incorporated as a city.
