Ogni morte di PapaItalianPronunciationOgni morte di PapaLiteral Translation Once every Pope’s deathEquivalentsThis is how you express this idiom across languages and locales.ListMapChinese千載難逢not occurring once in a thousand yearsEnglishOnce in a blue moonFrenchtous les trente-six du moisevery thirty-six of the monthPolishraz na ruski rokonce in a Russian yearSpanishcada muerte de obispoeach death of a bishopLogin to correlate with other idioms