March 3, 1263: French cardinal, Hugh of St. Cher, dies. He reputedly compiled the first Bible concordance and was the first person to divide the Old and New Testaments into chapters.
March 3, 1547: At the Seventh Session of the Council of Trent, the Roman Catholic church defines its theology of the sacraments. Arguing that seven sacraments are necessary for salvation—Baptism, Confirmation, the Eucharist, Penance, Extreme Unction, Orders, and Matrimony—the council rejected the teaching of most Protestants that only two were required: Baptism and the Lord's Supper.