Diogo Silves, (15th century) Portuguese explorer of the Atlantic, possible discoverer of the Azores islands. (14th century - 15th century - 16th century - other centuries) As a means of recording the passage of time, the 15th century was that century which lasted from 1401 to 1500. ... The Atlantic Ocean is Earths second-largest ocean, covering approximately one_fifth of its surface. ... Flag of Azores Shaded relief map of the Azores from 1975 The Azores (Portuguese: Açores) are an archipelago of Portuguese islands in the middle of the Atlantic Ocean, about 1,500 km from Lisbon and about 3,900 km from the east coast of North America. ...
Silves became an independent taifa in 1027 under the rule of Ibn Mozaine and his son, who was dethroned in 1051 by al-Mu'tadid, the governor of Seville.
After the Christian conquest, the castle served as the seat of the alcaide-mor (provincial governor) till the middle of the 16th century, afterwards the towers were used as a prison.
Silves is built on top of one of the largest underground aquifers in the south of Portugal, The Querença-Silves Aquifer[3], and is an important area for orange groves in the region, a fruit introduced by the Moors.