Question

who was the last Ottoman Empire ruler​

Answer 1

Mehmed VI Vahideddin, also known as Şahbaba among Osmanoğlu family, was the 36th and last Sultan of the Ottoman Empire, reigning from 4 July 1918 until 1 November, 1922 when the Ottoman Empire was dissolved after World War I, and was replaced by the Republic of Turkey, on 29 October 1923. 

Answer 2

Answer:

Mehmed IV was the last ottoman ruler.