The cardinals then elected Urban VI to be the next pope.
In 1378 the cardinals elected a Neapolitan when no viable Roman candidates presented themselves.
Outsiders view those meetings as somewhat akin to that in which cardinals elect a pope.
The story goes that after three years of deliberation the cardinals still hadn't elected a new pope.
Some imagine that cardinals loyal to him elected a series of increasingly marginal antipopes in 1437 and 1470.
If no one receives the required two-thirds majority after about 12 days, cardinals may change procedure and elect the new pope by simple majority.
Afterward, only cardinals could elect the pope.
He said the cardinals would probably "elect someone who has good health."
It is not known how many cardinals elected Anacletus II.
In attendance were eleven cardinals and several New York elected officials.