One of the many ways that secular fundamentalism has waged war on the true understanding of who we are as human beings is the way that it endeavours to make us ignorant of history. Since this is so, one of the best ways to liberate ourselves from the clutches of secularism is through a knowledge of history. This excellent article by the indomitable Fr. McCloskey puts the history of the Church in a true perspective:

http://www.catholicity.com/mccloskey/historical-view.html