Every year on the fortieth day after Easter, the Christian Church celebrates the Feast of the Ascension. Christian clergy and theologians, using the story of the ascension to heaven of the God-man Jesus Christ contained in the New Testament, conduct active religious preaching and strive to convince believers again and again of the truth of the Christian doctrine. The brochure “Ascension”, based on an analysis of biblical books and numerous historical sources, traces the history of the emergence of the Ascension holiday, its true roots, and reveals the essence of the holiday. The brochure, written simply and clearly, will be read with interest and benefit by a wide range of readers.