first historic document which address solely Jumilla was written. The document was about demarcating lands and municipality with boundary markers. In the mid-14th century, when Jumilla was under the Crown of Aragon power, this town became a border locality. As a consequence, Jumilla must have been ruled with a man having an iron fist. Consequently, the inhabitants asked the king Peter of Castile for help in order to live in territory which belonged again to the Crown of Castile. Frederik of Castile, who was son of the king Ferdinand III of Castile, caused Jumilla to belong to the Crown of Castile again in the year 1357. Two of the first important facts in Jumilla were the French invasion and the resulting Peninsular War. Jumilla plunged into the war and its inhabitants established the military defence junta. Economy Jumilla's economy is based on agriculture with main cultivation being vineyards, olive trees and fruit trees. Jumilla is home to a large photovoltaic solar power farm, with an installed peak power capacity of 20 megawatts. The solar farm consists of 120,000 solar panels and covers . The farm's total annual production will be the equivalent of the energy used by 20,000 homes. The solar panels are owned by groups of investors. It is expected to generate an estimated annual income of $28 million (€19 million) and a reduction in CO2 emissions of 42,000 tons a year. Powerlight provided single-axis solar trackers to improve the system's performance. Jumilla, together with neighboring Yecla, is one of the primary regions for development of the Murciana and Granadina breeds of dairy goats. Jumilla is also a wine-producing region famous for its Carta Roja wines. Jumilla's wine production and culture are particularly notable for its use of the Monastrell grape as a varietal. Main sights Some buildings that have special culture values such as historic or artistic are shown below: El Casón: This is a funerary vault which estimated date of its building is the 5th century AD. Jumilla's castle: The hill where the castle is built was inhabited by people from the Bronze Age. In a later era, this was occupied by people when Iberian civilizations were present in large part of Iberian Peninsula, and specifically in the current municipality. In Roman Iberian Peninsula period, people also leveraged this hill. The last era in regards to this hill before the construction of the current castle is the