The conclave to elect a new pope has begun, but how long will it last? Here's the longest and shortest a conclave has lasted in history.

The longest conclave since the 20th century began took 14 rounds of balloting across five days, ending with the election of Pius XI in 1922. The shortest was the conclave that elected Pius XII in 1939, which took three ballots in two days.

Papal conclaves have featured calls of election fraud and bribery so gauche that riches were wheeled in on donkey carts.