History of Madrid "Madrid" evolved from the Mozarabic "Matrit", which is still in the Madrilenian gentilic. The site of modern-day Madrid has been controlled since prehistoric times, and archaeological research found a small Visigothic village nearby. In the mid-9th century, Muhammad I of Córdoba constructed a small castle where the Palacio Real stands today. The Moors built a citadel, al-Mudayna, around this castle. They named the area after the nearby Manzanares River, which the Muslims called al-Majrīṭ (Arabic: "source of water"). From this came the name "Majerit", later spelled "Madrid". The Moors controlled the citadel until Alfonso VI of León and Castile conquered
Allison Engine Testing Stands by servicemen of the 44th Depot Repair Squadron of the USAAF 81st Air Depot Group; two enclosed engine stands constructed by the Allied Works Council; two open stands of unknown construction; and a concrete pavement area which is the site of former associated buildings. The first Allison Testing Stands were constructed on the eastern side of Schneider Road and the Eagle Farm Aerodrome in November–December 1942 as a consequence of arrangements made for Australia to serve as a stronghold for United States (US) operations in the Pacific during World War II (WWII). The area, however, had previous links with aviation.