An incomplete list of events in 1215 in Italy:

Events Fourth Council of the Lateran Manfred III of Saluzzo begins reign as Margrave of Saluzzo

Deaths Jacopino della Scala Manfred II, Marquess of Saluzzo Sicard of Cremona Jacopino della Scala Births (Disputed) — Pope St. Celestine V, pope between July and December 1294, last pope not elected through a papal conclave.

References