Hey, it's Brad. Listen, we're going to have full coverage of the election of the new Catholic

Pope, Pope Leo, on Monday morning. But with the historic nature of all this, the fact that he's an

American, we thought it might be helpful to post this ABC News special that just ran across the nation.

It'll break down everything you need to know from the conclave to that announcement to the new

pontiff's biography.

So again, check the feed first thing Monday morning for a brand new daily edition of start here.

But in the meantime, here is that special as it just aired on TV.

History making. The world celebrates. Americans celebrate.

Pope Leo the 14th. From Chicago to the Vatican, to the first American Pope.

Now tonight, his remarkable journey, his unwavering faith, his path to the papacy,

and how his years serving in Peru shaped who he is today, now leader of the Catholic Church.

You have called me, and I know I can rely on each and every one of you to walk with me.

Inside the conclave, inside the Sistine Chapel, how did he win the votes? What direction will he now take the church?

And what will his brothers reveal about growing up with the man who would be Pope?

The 2020 event special, the American Pope, Leo the 14th, starts now.

Reporting from the Vatican, David Muir.

Good evening tonight from the Vatican, where Rome and the world are celebrating the first ever

American Pope. Pope Leo the 14th, 69 years old, born in Chicago, walking out onto that

balcony behind me here and surprising the world, the first pope from the United States,

chosen by his fellow cardinals, to be the 267th Pope, to lead the world's 1.4 billion Catholics.

Less than 24 hours after being asked, do you accept your election as supreme pontiff and answering yes?

Tonight here in Rome, he has now celebrated his first Mass back in the Sistine Chapel,

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