What was the longest conclave in history? Shortest ever? Details to know

“Conclave” the film may have introduced moviegoers to the spectacular ritual and drama of a modern conclave, but the periodic voting to elect a new pope has been going on for centuries and created a whole genre of historical trivia. Here are some facts about conclaves past, derived from historical studies including Miles Pattenden's “Electing the Pope in Early Modern Italy, 1450–1700,” and interviews with experts including Elena Cangiano, an archaeologist at Viterbo