Mercurius became Pope John II, making him the first pope to change their name after attaining popehood.
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Pope Hilarius became the Bishop of Rome.
Cardinal Joseph Ratzinger was elected as Pope under the name Pope Benedict XVI.
Pope Leo II became the bishop of Rome.
Juan María Fernández y Krohn tried to assassinate Pope John Paul II with a bayonet.
Argentina canonized its first female saint, Saint María Antonia de Paz y Figueroa.
