Pope Leo holds massive open-air mass in Buenos Aires

On Monday, November 9, 2026, an estimated 2.5 million faithful attended an open-air mass led by Pope Leo in Buenos Aires. The event marks the largest gathering of the pontiff's 12-day tour of South America and the most significant event since his 18-month papacy began, surpassing the 1.2 million who attended his visit to Madrid in June.

Crowds lined the Avenida del Libertador, waving Vatican flags and cheering as the Pope traveled in his open vehicle. During his sermon, the pontiff expressed his joy at visiting a region that has long served as a bastion for Catholicism. This event is part of a broader 12-day tour encompassing three nations, which is scheduled to conclude on November 17.