Columbia subject headings:
Harvard subject headings:
Anniversaries--History--21st century.
Italy--Anniversaries, etc.
Italy--Centennial celebrations, etc.
Italy--Civilization.
Italy. Comitati nazionali per le celebrazioni e le manifestazioni culturali.
Princeton subject headings:
Anniversaries--Italy--History--21st century.
Italy--Anniversaries, etc.
Italy--Civilization.
Italy. Comitati nazionali per le celebrazioni e le manifestazioni culturali