26 April 856 A.D. Paschasius Radbertus Dies--Transubstantiator, Ubiquitarian & Bread Worshipper
26 April 856 A.D. Paschasius Radbertus Dies--Transubstantiator, Ubiquitarian & Bread Worshipper Editors. “ Paschachius Wrote on Christ's Body & Blood.” Christianity.com. Apr 2007. http://www.christianity.com/church/church-history/timeline/601-900/paschachius-wrote-on-christs-body-and-blood-11629764.html . Accessed 24 Apr 2015. A far as history can determine, the first person to write a book exclusively on the Eucharist was Paschasius Radbertus in 831. The book was called On the Body and Blood of the Lord. Although he did not use the term, he taught transubstantiation, the belief that the substance of the bread and wine really become Christ's body and blood by faith. Paschasius took a literal as opposed to a figurative view of Christ's words, "This is my body broken for you." Very quickly he made his main point and hammered it home through many arguments. "Yet these [the bread and wine] must be believed to be fully, after the consecration,...