The program on Saturday in Chicago includes music, prayer, speeches and Pope Leo’s first public address to an American audience.

Will Pope Leo XIV appear for Chicago mass on June 14 during Trump's birthday and Army parade? Here's the latest, from streaming to tickets.

The forecast is sunny for Pope Leo's Chicago event on June 14. Meanwhile, Trump's military parade in D.C. is looking much wetter.

Carlo Acutis was 15 when he died in northern Italy in 2006, after a short bout with leukemia. The pope announced Friday he'll be canonized in September.

"The commitment to building a safer world free from the nuclear threat must be pursued through respectful encounters and sincere dialogue," Leo said.

According to the Rev. John Wauck, professor of church communication at the Pontifical Holy Cross University in Rome, Leo’s clothing choices are a “return to form,” and his attire similar to that worn by Pope Benedict XVI, Pope John Paul II and other popes going back to the middle ages.