Rancho San Antonio, also known as the Peralta Grant, was a 44,800-acre (181 km2) land grant by Governor Pablo Vicente de Solá, the last Spanish governor of California, to Don Luís María Peralta, a sergeant in the Spanish Army and later, commissioner of the Pueblo of San José, in recognition of his forty years of service. The grant, issued on August 3, 1820, embraced the sites of the cities of San Leandro, Oakland, Alameda, Emeryville, Piedmont, Berkeley, and Albany.