It is widely accepted that the written constitution period has begun with Constitutional Monarchy I. Basically, the constitution of 1876 is not the first constitutional document in Turkish history. It can be said that the Charter of Alliance is the first document of Ottoman Empire. In this article, we will analyze the legislative function of Turkey starting from the legislative documents of Ottoman Empire which constitute the base of current legal structure such as the Charter of Alliance (1808), Constitutional Monarchy I. (1876), Constitutional Monarchy II. (1908), the Constitution of 1921 (some argue that it is not a legal constitution), and then the legislative documents of Modern Turkey such as the Constitutions of 1924, 1961 and 1982. ...