Occurrence may refer to:
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Occurrence (type–token distinction), concept in type–token distinction
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Occurrence (liturgical)
The General Roman Calendar is the liturgy, liturgical calendar that indicates the dates of celebrations of saints and Sacred mysteries, mysteries of the Lord (Jesus Christ) in the Roman Rite of the Catholic Church, wherever this liturgical rit ...
, Catholic liturgical term that covers the process when two liturgical offices coincide on the same day
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