Which Turkish leader abolished the institution of the caliphate A) Mustafa Kamal Ataturk B) Sultan Ahmad Majeed C) Mustafa Jamal Ataturk D) None of these Related MCQs: Which of the following punishments was introduced by Hazrat Umer R.A during his Caliphate? The police force was first set up to maintain law and order in the Islamic state during the Caliphate of: In the first world war, the Ottoman caliphate of Turkey was the ally of: For how many years did the Caliphate of Hazrat Abu Bakr (R.A) last?