اﻟرﺴﺎﺌل اﻟدﺒﻠوﻤﺎﺴﯿﺔ اﻟﻤﺨﺼّﺼﺔ ﻓﻲ دﯿوان اﻻﻨﺸﺎء اﻟﻤﻤﻠوﻛﻲ ﻟﺤﻛﺎم اﻟدول اﻟﻤﺴﯿﺤﯿﺔ ﻓﻲ اﻟﺸرق (اﻟﺴﺎﺒﻊ و اﻟﺜﺎﻤن اﻟﻬﺠرﯿﯿن/ اﻟﺜﺎﻟث و اﻟراﺒﻊ ﻋﺸر اﻟﻤﯿﻼدﯿﯿن)

The second half of the seventh century and the beginning of the eighth century AD and the second half of the thirteenth and early fourteenth centuries have witnessed a great development in diplomatic relations between the Mamluk bahri in Egypt and Syria and the various Christian powers in the East. These relationships were in the form of several diplomatic means such as ambassadors, letters, and signing treaties. This study focuses on the role of chancellery of Mamluks in these relationshipsthrough knowing the rules and accurate systems developed by messaging these rulers, specifically ceremonial honors. Finally, this study treats the constraints of multilingualism in the Mamluk sultanate based on the chancellery Mamluk handbooks.