In the history of religion a universal religion is the one which is prevalent all over the world and its followers are found in various nations and countries thus, Islam, Hinduism and Christianity are classified universal religions. However, by using the term universal religion we mean a religion that existed from the beginning of the creation of man on earth and will continue its existence insomuch as man exists on this planet. In this sense Islam was the only, is the only and will be, the only universal religion.
Islam is the religion taught in its fundamentals by all the prophets. It is the religion first introduced on Earth for mankind to follow. It is the religion of Noah, Abraham, Moses, Jesus and Muhammad and all previous prophets from time immemorial. The universal religion has a universal name, and that name is ISLAM.