What is the significance of the "Hijra" in the Islamic calendar? A Birth of Prophet Muhammad ﷺ B Migration to Medina C First Quran Revelation D First Mosque in Mecca Submit Answer Related Islamic questions Who was the first caliph after the death of Prophet Muhammad (PBUH) ? Which Prophet is considered the father of the Arab people through his son Ishmael A.S.? Who is the first martyr in Islam? Which battle in Islamic history is known as the "Battle of the Trench"? Who was the second Caliph of Islam after Abu Bakr as-Siddiq (R.A) ? Back to All Questions