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Which pope gave the Polos letters for Kublai Khan in Acre?
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Marco Polo
Marco Polo, undated coloured woodcut.
In Acre, the papal legate Teobaldo of Piacenza provided the Polos with letters for the Mongol emperor Kublai Khan. Shortly after the Polos departed, they learned that Teobaldo had been elected as Pope Gregory X, prompting them to return to Acre to receive formal credentials.1