It was during the reign of the second Rightful Caliph Hazrat Omar RAU the Islam spread far and wide.
Islam is a religion. Your question is incoherent.
If we take time as a measure of the spread of religion,then since its establishment ,Islam is the religion which spread or still spreading rapidly in Asia followed by Christianity.
Islam religion is spread allover the world.
The most sacred two cities of Islam are Makka and Madina Munawara.
Islam spread from Arabia.
Islam.
Islam is a religion not a spiritual leader. Islam is not dead.
Islam
Islam religion is spread all over the world. However, Islam religion is major religion in the Middle East, North Africa, and Asia.
Islam today is a fast-growing religion.... islam is still being spread today...it is the second largest religion .. .. it is in every nation and still spreading.
Prophet Muhammad spread the religion of Islam so that people can follow/practice this religion. Just like why did Jesus spread the news about Christianity?
Islam and by the arabs