Rome (CNN) -- The Vatican geared up for the inauguration of the pope on Tuesday, a ceremony ushering in a new era for the Roman Catholic Church. Anticipation mounted among the faithful across the globe awaiting a joyous and solemn chapter of Christian history. St. Peter's Square will bustle with tourists, locals and pilgrims during the official Mass to install Francis as the bishop of Rome. The choice of day to anoint him as the holy father of the Roman Catholic Church carries a rich symbolism: It is the day that Catholics celebrate the Feast of St. Joseph to honor Jesus' father on Earth, the carpenter Joseph. It also happens to be Father's Day in Italy.
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NEW: Argentine president wants pope to use influence to help deal with Falklands dispute
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Robert Mugabe is among many leaders to be on hand for Francis' inauguration
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The pope, who plans to deliver his homily in Italian, isn't expected to stay within a script
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Thousands of Catholics packed St. Peter's Square on Sunday to hear his first Angelus
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