As indicated in the title, this is a study in the historical evolution of the major faiths of mankind and their religious beliefs. It is not a study to prove who is right and who is wrong. As such it certainly has a different approach to the subject. The layout of the subject may not depict the usual traditional approach observed in religious works, but it certainly preserves its true historical background. This work, therefore, is mainly historical in its essence. The subject matter of this discourse is not only interesting but it is also informative and educational. When we talk about the history of mankind we also talk about the origin and the development of their religious beliefs, their culture and the social values of their life. Theology, a critical study of religious ideas, a dogmatic approach, has often, in past, been a source of divisions among the people of diverse beliefs and cultures. This planet would have been a much better place to live in, for all human beings, if man had learned to appreciate and respect the religious and cultural beliefs of the people different than those in which he had been brought up. Rather then finding differences and keeping alive hatred and dislike for other faiths and beliefs he would have done better if he had understood the common purpose that exists behind all faiths. Much has been said and written about the conduct of people who in the name of religion have de-stabilized the world peace. The dangers of such religious polemics are evident in many areas of our planate. In the pluralistic world of today no one faith has the monopoly of the Truth. People are Christians, Jews, Hindus, Buddhists or Muslims out of their sincere convictions. Endowed with the gift of intellect, and historical inheritance, people have chosen different paths and ways in their search for the Truth. We all eat the food grown in the same soil, drink water from the same springs and breathe the air from the same atmosphere. Even while holdin