Identify the Muslim ruler who instituted the Islamic calendar from the year of the Holy Prophet's Migration to Madina.
Q1. Identify the Muslim ruler who instituted the Islamic calendar from the year of the Holy Prophet's Migration to Madina.
Answer: Hazrat Umar (R.A.)
Explanation: Hazrat Umar (R.A.) is correct based on Quranic teaching, Hadith, or Islamic history. Memorize this point for Islamiat sections in LAT, USAT, and public service exams.