also drank his health and presented him with a silver bowl and a carpet worth ten mines. Xenophon describes Persian carpets as precious, and worthy to be used as diplomatic gifts. It is unknown if these carpets were pile-woven, or produced by another technique, e.g., flat-weaving, or embroidery, but it is interesting that the very first reference to Persian carpets in the world literature already puts them into a context of luxury, prestige, and diplomacy. There are no surviving Persian carpets from the reigns of the Achaemenian (553–330 BC), Seleucid (312–129 BC), and Parthian (ca. 170 BC – 226 AD) kings. The Sasanian Empire: 224–651 The Sasanian Empire, which succeeded the Parthian Empire, was recognized as one of the leading powers of its time, alongside its neighbouring Byzantine Empire, for a period of more than 400 years. The Sasanids established their empire roughly within the borders set by the Achaemenids, with the capital at Ctesiphon. This last Persian dynasty before the arrival of Islam adopted Zoroastrianism as the state religion. When and how exactly the Persians started weaving pile carpets is currently unknown, but the knowledge of carpet weaving, and of suitable designs for floor coverings, was certainly available in the area covering Byzance, Anatolia, and Persia: Anatolia, located between Byzance and Persia, was ruled by the Roman Empire since 133 BCE. Geographically and politically, by changing alliances and warfare as well as by trade, Anatolia connected the East Roman with the Persian Empire. Artistically, both empires have developed similar styles and decorative vocabulary, as exemplified by mosaics and architecture of Roman Antioch. A Turkish carpet pattern depicted on Jan van Eyck's "Paele Madonna" painting was traced back to late Roman origins and related to early Islamic floor mosaics found in the Umayyad palace of Khirbat al-Mafjar. Flat weaving and embroidery were known during the Sasanian period. Elaborate Sasanian silk textiles were well preserved in European churches, where they were used as coverings for relics, and survived in church treasuries. More of these textiles were preserved in Tibetan monasteries, and were removed by monks fleeing to Nepal during the Chinese cultural revolution, or excavated from burial sites like Astana, on the Silk Road near Turfan. The high artistic level reached by Persian weavers is further exemplified by the report of the historian Al-Tabari about the Spring of Khosrow carpet, taken as booty by the Arabian conquerors of Ctesiphon in 637