The first Pope Leo was canonized a saint because, according to lore or legend, he met Attila the Hun and persuaded the ruthless invader of Europe to spare Rome.

Pope Leo XIV made history as the first American-born pope. From Leo the Great to Leo XIII, here’s a look at the regnal name’s historical significance.© Getty Images ...

Leo XIV: Portrait of the First American Pope, went on sale today. The biography, published by the Catholic channel EWTN, was written by historian Matthew Bunson, VP and editorial director for EWTN.