Leo XIII: The Oldest Pope in History

Portrait of Pope Leo XIII, San Gioacchino ai Prati

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On July 20th 1903, Pope Leo XIII died at the age of 93, which makes him the oldest pope in history.   

Leo XIII (r. 1878-1903) is also only one of three popes to have reigned for twenty-five years or more; the other two are his predecessor Pope Pius IX (r. 1846-78), and Pope John Paul II (r. 1978-2005). 

The church of San Giovanni in Laterano houses the funerary monument to Pope Leo XIII.