 Saint Columba's Feast Day, 9 June, has been designated as International Celtic Art Day.The Book of Kells and the Book of Durrow, great medieval masterpieces of Celtic art, are associated with Columba.Benjamin Britten composed "A Hymn of St Columba" for choir and organ in 1962, setting a poem by the saint, on the occasion of the 1,400th anniversary of his voyage to Iona.