Oliva de Plasencia, señorío de los Carvajal Historical milestone · Oliva de Plasencia, Trasierra-Tierras de Granadilla, Cáceres Image of Oliva de Plasencia, not of the place itself. Founded in the 12th century as part of the resettlement of Plasencia, Oliva was granted as a lordship to the Carvajal family; in 1612, when Inés de Vargas y Trejo married Rodrigo Calderón, it became a county. 1612 Photo: Jos Dielis (CC BY 2.0) What to see and do in Oliva de Plasencia