Santa Maria in Ara Coeli. The Basilica of St. Mary of the Altar of Heaven is a titular basilica in Rome, located on the highest summit of the Campidoglio.
   It is still the designated Church of the city council of Rome, which uses the ancient title of Senatus Populusque Romanus. The present Cardinal Priest of the Titulus Sanctae Mariae de Aracoeli is Salvatore De Giorgi.
   The shrine is known for housing relics belonging to Saint Helena, mother of Emperor Constantine, various minor relics from the Holy Sepulchre, both the canonically crowned images of Nostra Signora di Mano di Oro di Aracoeli on the high altar and the Santo Bambino of Aracoeli. Originally the church was named Sancta Maria in Capitolio, since it was sited on the Capitoline Hill of Ancient Rome; by the 14th century it had been renamed.
   A medieval legend included in the mid-12th-century guide to Rome, Mirabilia Urbis Romae, claimed that the church was built over an Augustan Ara primogeniti Dei, in the place where the Tiburtine Sibyl prophesied to Augustus the coming of the Christ. For this reason the figures of Augustus and of the Tiburtine sibyl are painted on either side of the arch above the high altar.
   A later legend substituted an apparition of the Virgin Mary. In the Middle Ages, condemned criminals were executed at the foot of the steps; there the self-proclaimed Tribune and reviver of the Roman Republic Cola di Rienzo met his death, ne
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