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
Madrid system 1 April 1996. The Madrid Agreement and Madrid Protocol were adopted at diplomatic conferences held in Madrid, Spain. The Madrid Agreement was originally intended to provide for an international registration system, but did not achieve this for two significant reasons: Some of the large trading nations like the United States, Japan, and Canada, which have a large number of filings at the national level, did not join the Madrid Agreement due to another perceived flaw in the system: if the home registration upon which an international registration was based came under 'central attack', the international registration would be cancelled or