When Islam becomes the religion of a state it does not compel non-Muslims to accept it. Some Western writers tell us that it was attempts at such compulsion that caused the famous European Wars of Religion that led finally to secularism and the relegating of religion to the private sphere.
Pilgrimage: The Journey of Different Religions
Besides Islam, is there pilgrimage in other religions? How do adherents of various faiths witness it? What does their books say about it?