Identify the Muslim ruler who instituted the Islamic calendar from the year of Prophet’s Migration to Medina? A) Hazrat Abu Bakr R.A B) Hazrat Umar R.A C) Abdul Malik bin Marwan D) None of these Related MCQs: During the migration from Makkah to Medina the Holy Prophet (PBUH) and Hazrat Abu Bakr Siddique (RA) took shelter in the What is the name of the camel which the Holy Prophet (SAW) was riding in the migration of Medina? In which year Noble Prize instituted? Ramzan is the …. month of the Islamic calendar?