Cardinal Joseph Ratzinger was elected as Pope under the name Pope Benedict XVI.
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Pope Francis made history when he became the first pope to visit Iraq.
Pope Innocent IX was elected.
Pope John Paul II proclaimed the day as the first-ever World Youth Day.
Pope Sergius I consecrated Willibrord as bishop of the Frisians at the Church of Santa Cecilia in Trastevere in Rome, Italy.
A picture of Pope John Paul II was torn up by the Irish singer Sinead O'Connor on Saturday Night Live.
