1459 attests to a purchase-sale of land and is preserved in the Town Hall.

Already in the early eighteenth century the name of Villaviciosa appeared on official documents, and even alternate the two names, as we can see in a decree of Felipe V that designates the area as "Real Bosque": "He venido en declarar que el nuevo Bosque de la villa de Odón o Villaviciosa, que es propio del Ynfante don Felipe, mi hijo, y sus límites, con sus aumentos o extensiones que en adelante tuviere, son y han de ser Bosque