Pope Francis officially begins his ministry at installation Mass

After touring a sun-drenched St. Peter’s Square in an open-air car, Pope Francis received the ring symbolizing the papacy.

The fisherman's ring was placed on the finger of Pope Francis by Cardinal Angelo Sodano, dean of the College of Cardinals.

STEFANO RELLANDINI/REUTERS

The fisherman's ring was placed on the finger of Pope Francis by Cardinal Angelo Sodano, dean of the College of Cardinals.

A scene from the inaugural Mass as Francis became the 266th pope.

AP Photo/Andrew Medichini

A scene from the inaugural Mass as Francis became the 266th pope.

Nuns listened as Pope Francis read the gospel.

Gregorio Borgia/AP

Nuns listened as Pope Francis read the gospel.

Cardinals attended Pope Francis' inaugural Mass.

Andrew Medichini/AP

Cardinals attended Pope Francis' inaugural Mass.

French Prime Minister Jean-Marc Ayrault was among the world leaders who attended the Mass.

AP Photo/Dmitry Lovetsky

French Prime Minister Jean-Marc Ayrault was among the world leaders who attended the Mass.

Faithful filled St. Peter's Square at the Vatican.

AP Photo/Andrew Medichin

Faithful filled St. Peter's Square at the Vatican.

Pope Francis waved to the crowd from an open-air popemobile.

EPA/ETTORE FERRARI

Pope Francis waved to the crowd from an open-air popemobile.

Pope Francis arrived to his installation Mass.

Gregorio Borgia/AP

Pope Francis arrived to his installation Mass.

Pope Francis got out of his vehicle to bless a disabled man prior to the Mass.

Dmitry Lovetsky/AP

Pope Francis got out of his vehicle to bless a disabled man prior to the Mass.

Italian media estimated some 1 million might attend, but the numbers at the start of the Mass appeared to be fewer.

STEFANO RELLANDINI/REUTERS

Italian media estimated some 1 million might attend, but the numbers at the start of the Mass appeared to be fewer.

Pope Francis kissed a child as he toured St. Peter's Square.

TONY GENTILE/REUTERS

Pope Francis kissed a child as he toured St. Peter's Square.

Argentina's President Cristina Fernandez, left, greeted Dutch Prince Willem-Alexander.

AP Photo/Gregorio Borgia

Argentina's President Cristina Fernandez, left, greeted Dutch Prince Willem-Alexander.

Chalices containing hosts were prepared before the Mass.

ALESSANDRO BIANCHI/REUTERS

Chalices containing hosts were prepared before the Mass.

Preparations for the Mass were underway on Tuesday.

EPA/JACEK TURCZYK

Preparations for the Mass were underway on Tuesday.

Nuns ran through St. Peter's Square to get a good vantage point.

REUTERS/Max Rossi

Nuns ran through St. Peter's Square to get a good vantage point.

Interactive Graphic

The papal inauguration

Francis will be installed in St. Peter’s Square, where hundreds of thousands of people are expected to attend.

Kathleen Duffy, center, in white sweater, reacts with surprise after her longtime boyfriend Mark Flaherty Jr. proposes to her in the middle of the St. Patrick’s Day parade in South Boston on Sunday.

Kevin Cullen

Finding good news in South Boston

In search of anything remotely encouraging after a long winter, the Globe’s Kevin Cullen returned to his roots, where he found great news right on East Broadway.

Mass. gets another blast of winter

Forecasters predicted snow accumulations of up to 10 inches within Interstate 495 and more than a foot in Central Massachusetts.

Dan Shaughnessy

LeBron looking a lot like Wilt

The Heat only trail the 1971-72 Lakers for the most wins in a row. Those Lakers had a center named Chamberlain. The Heat have a latter-day Wilt in King James.

Doctors say offices not equipped for disabled

More than one in six Boston doctors offices refused to schedule appointments for callers posing as disabled patients in wheelchairs, researchers reported.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/03/19/BostonGlobe.com/Metro/Images/paintings-4795--90x90.jpg FBI says it knows identity of Gardner art thieves

Federal investigators, in an unprecedented display of confidence, said Monday that they know who is behind the Gardner Museum heist 23 years ago.

Edouard Manet’s “Chez Tortoni,” stolen from the Gardner in 1990, is a classic example of the French master’s work.

CRITIC’S NOTEBOOK

Loss of Gardner art has left bitter, lasting impression

The works taken in the theft — including those by Rembrandt, Vermeer, Manet, and Degas — were highlights of art history.

Metro

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//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/03/14/BostonGlobe.com/Special/Images/stpatrick011-994.jpg St. Patrick’s Day parades

What began as an observation of the anniversary of Evacuation Day in 1901 morphed along the way into a celebration of Boston’s Irish traditions.