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What Do People Mean When They Say That They Have “Swum the Tiber?”


What do people mean when they say that they have "swum the Tiber?"


The Tiber is a river that runs through the city of Rome. St. Peter’s is on one side. Those who have converted to the Catholic Church often say that they “swam the Tiber” to indicate metaphorically that they have crossed over to the Catholic side.

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