Francis's 12-year-long papacy was in many ways a remarkable one, working in service

to the church until the very day before he died.

Pope Francis sought to focus more explicitly on social justice, on climate change, and addressing

the most marginalized in society.

But he also faced pressure for actions that some say fell short of his public remarks, undercut commitments,

or went too far for some Catholics. Stephanie Sye has a look back at his life and work.

He was a symbol of change and hope for the Catholic Church.

In March of 2013, Bishop Jorge Mario Burgolio of Argentina was elected pontiff at the age of 76.

Thank you so much for your welcome.

Please pray for me.

He was a disruptor from the outset, the first pope from the Southern Hemisphere, the first Jesuit Pope,

and the first to choose the papal named Francis, after the saint who renounced his privilege to follow God. It was fitting for a man

who even as Archbishop of Buenos Aires lived in a modest apartment and rode the bus.

Francis followed the late Pope Benedict XVI, the first Pope to resign in 600 years. Unlike his scholarly predecessor, Francis was known for his pastoral approach,

says Natalia Imperatory Lee, who runs the Religious Studies Department at Manhattan College.

He is committed to what is known as the Signs of the Times.

And Francis, with his pap people priorities, the climate migration,

has really sort of looked at the world as it is, right? The grief of the world, the hope of the

world, the joys of the world, and the anxieties of the world, and thought, how can the church

bring attention to this?

Early in his pontificate, Francis made the first of what would become regular impromptu comments

during back-of-plane news conferences that would spark headlines.

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