The Basilica of Santa Maria di Collemaggio (Basilica di Santa Maria di Collemaggio in Italian) is an important Catholic church in the city of L’Aquila. The Basilica of Santa Maria di Collemaggio was founded in 1288, at the request of Peter Morrone, crowned by Pope Celestine V in 1294 and to celebrate the twentieth anniversary of the Battle of Tagliacozzo fought between the armies of the Angevin Charles I of Anjou and the Jura Corradino of Swabia (August 23, 1268). The Basilica of Santa Maria di Collemaggio is also cited by the great poet Dante Alighieri in the Divine Comedy.