Moğol İstilâsıyla İlgili Çin Kaynakları ve Sı Shı Kı'ye Göre Hülâgû'nun Batı Seferi

According to the Chinese Sources Hulagu's Campaign in the West.
The Mongol Invasion was recorded by the historians of the all countries in which Mongols had occupied. In addition to the Muslim, Armenian, Russian and Georgian historians, there were Chinese colleagues who wrote on this event. In this article, we dealth with the main Chinese sources concerning the Mongol invasion in general and Si Shi Ki mentioning about the Hulagu's occupation in particular. Hulagu Khan, grandson of Genghis Khan and the first khan of the Ilkhanate of Persia, was dispatched by his brother Mangu in 1255 to accomplish the destruction of the rest of Muslim territories in south-western Asia. Thus the second Mongol invasion had begun after the Genghis Khan's conquests. An envoy from Mongol Khan Mangu to his brother Hulagu soon after the latter's conquest of the Abbasid Chaliphate (1258), set up in the year 1259 and returned in 1260. The name of this envoy, a Chinese, was Ch'ang Te. After his return, the report of his journey was taken down by Liu Yu. Ch'ang Te's Si Shi Ki is considered partly as a travel diary and partly as a "second-hand" account of Hulagu's campaigns in the West.

https://www.marife.org/marife/article/view/246