Religion · Literature · 1810–1903

Leo XIII — Age, Birthday & Biography

Born: 2 March 1810 · Died: 20 July 1903 · Age: 93

Italian pope for 25 years whose encyclical Rerum Novarum founded modern Catholic social teaching on workers' rights

Did you know?He was the first pope to have his voice recorded on a phonograph and the first to be filmed.

Quick facts

  • Date of birth2 March 1810
  • Date of death20 July 1903
  • Age at death93
  • NationalityItalian
  • BirthplaceCarpineto Romano, Italy
  • OccupationLatin Catholic priest, Monsignor, nuncio

Editor's Take:

Leo XIII brought the Catholic Church into the modern industrial age. He became pope at 67 and reigned for 25 years, one of the longest papacies. His 1891 encyclical Rerum Novarum defended workers' rights to fair wages and trade unions, while rejecting socialism. It founded modern Catholic social teaching. He opened the Vatican Secret Archives to scholars. He encouraged the study of Thomas Aquinas. He was the first pope to be filmed on camera.

Key Milestones

  1. 1878: Pope – elected
  2. 1879: Aeterni Patris – Aquinas
  3. 1881: Archives – opened
  4. 1891: Rerum Novarum – encyclical

Pope Leo XIII (Italian: Leone XIII; born Gioacchino Vincenzo Raffaele Luigi Pecci; 2 March 1810 – 20 July 1903) was head of the Catholic Church from 1878 until his death in 1903. He had the fourth-longest reign and third-longest verified reign of any pope, behind those of St.

Text from Wikipedia, licensed under CC BY-SA 4.0

Profile

Pope Leo XIII: The Pope of Rerum Novarum

Head of the Catholic Church, 1810–1903

Gioacchino Pecci was born in Carpineto Romano on 2 March 1810.

He was elected pope in 1878.

He issued Rerum Novarum in 1891.

He died in 1903, aged 93.

Career highlights

  1. 1878Pope: elected
  2. 1879Aeterni Patris: Aquinas
  3. 1881Archives: opened
  4. 1891Rerum Novarum: encyclical
  5. 1896Film: first pope filmed

Did you know?Pope Leo XIV chose his name in 2025 partly in tribute to him.

Age at death
93
Years since death
123

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Questions people ask

Frequently asked questions

When is Leo XIII's birthday?
Leo XIII's birthday is March 2. He was born on March 2, 1810 in Carpineto Romano, Italy.
How old was Leo XIII when he died?
Leo XIII died on July 20, 1903, aged 93.
Who shares a birthday with Leo XIII?
Famous people who share Leo XIII's March 2 birthday include Mikhail Gorbachev, Pius XII, Abd al-Aziz Boutafliqa, Daniel Craig and Bedřich Smetana.

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Reviewed by the Who Shares My Birthday editorial team.

Last reviewed: October 2026