With the death of Pope Francis, attention now turns to the selection of his successor. The next pope will be chosen in what is called a “conclave,” a Latin word meaning “a room that can be locked up,” or, more simply, “a closed room.”

Members of the College of Cardinals will cast their votes behind the closed and locked doors of the Vatican’s Sistine Chapel, famous for its ceiling frescoes painted by Michelangelo. Distinguished by their scarlet robes, cardinals are chosen by each pope to elect future popes. A cardinal must be under the age of 80 to be eligible to vote in the conclave. Of the 252 members of the College of Cardinals, 138 are currently eligible to elect the new pope.

As a scholar of global Catholicism, I am especially interested in how this will be the most diverse conclave in the history of the Catholic Church.

For many centuries, the College of Cardinals was dominated by Europeans – Italians, in particular. In fact, the first time a non-European cardinal actually cast a ballot in a conclave was only in the 20th century, when Baltimore’s archbishop, James Gibbons, voted in the 1903 papal election. Now, the College of Cardinals has members from over 90 countries, with Francis having appointed nearly 80% of them.

Holding a conclave to elect a pope is a tradition that goes back centuries. The practice was established in 1274 under Pope Gregory X in reaction to the chaos surrounding his own election, which lasted nearly three years. The tradition is old, but the results can be........

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