*The [[Nestorian]] churches in [[Persia]] began missionary activity along the trade routes of Asia from a relatively early date. A string of [[Diocese|Bishoprics]] along what is known as the [[Silk Road]] and as far as Yang-chou near the coast of the Yellow Sea testify to their success. Islamic intolerance brought on by the [[Crusades]] during the first 3 centuries of the second millennium did much to damage the central Asian churches, but some in [[China]] survived. | *The [[Nestorian]] churches in [[Persia]] began missionary activity along the trade routes of Asia from a relatively early date. A string of [[Diocese|Bishoprics]] along what is known as the [[Silk Road]] and as far as Yang-chou near the coast of the Yellow Sea testify to their success. Islamic intolerance brought on by the [[Crusades]] during the first 3 centuries of the second millennium did much to damage the central Asian churches, but some in [[China]] survived. |