The secret vote that elected Pope Gregory X lasted from November 1268 to September 1271. It was the first example of a papal election by “compromise,” after a long struggle between supporters of two main geopolitical medieval factions — those faithful to the papacy and those supporting the Holy Roman Empire.

PolitiFact’s occasional MovieFact feature reports on the accuracy of nonfiction films, typically comparing their details with historical events. “Conclave” is fictional, but we decided to examine what the movie gets right and wrong about the real process for choosing the next pope.