 The pale marble church stands in front of the Column of Trajan, a few dozen steps from the similarly domed, but externally more colorful, church of Santa Maria di Loreto.The feast of the "Holy Name of Mary" was instituted by Pope Innocent XI after the victory of the Austrian-Polish armies under the command of John III Sobieski over the Turks at the Battle of Vienna in 1683.Abbot Giuseppe Bianchi instituted devotion to the most holy name of Mary in 1685 at Santo Stefano del Cacco, and soon afterwards established the Congregation of the Most Holy Name of Mary, which was formally approved in 1688.