The paper argue that the Dr Muhammad Hamidullah made significant contribution to the Islamic literature by tracing out the first written constitution of the world and fortunately the Prophet had drawn up this important document. Dr Hamidullah is known for its systematic presentation to the world. He argues that for the first time in history the right and obligations of the subjects and the sovereign were reduced to writing. One of interesting point this paper explore that this historic document of the first written constitution of the state was piloted by a man who was not able to write himself. . By analyzing the contents of the first part of the Charter, Dr. Muhammad Hamidullah stated that Madinah was the first independent state of Muslims which had a written Constitution. Therefore, in view of Dr. Muhammad Hamidullah, it was first constitution of the world in which the principles of brotherhood, equality and freedom of action were defined in written form to play an active part in the political unit. The author translated the constitution into English and therefore it is due to his efforts this unique achievement of the Prophet’s time became known across the world.