Saint Leo III: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Facts

Born	Rome • Italy
Died	June 12, 816
Title / Office	pope (795-816)

Photos

Leo III, detail from a mosaic, 8th century; on the exterior of the church of S. Giovanni Laterano, Rome

Charlemagne and Leo III

Charlemagne and Leo III

See All Images →

default image

Adrian I

pope

Gregory VII excommunicating Henry IV

St. Gregory VII

pope

St. Gregory the Great

St. Gregory the Great

pope

Innocent III

Innocent III

pope

Photograph of Pope Pius IX

Pius IX

pope

Pius XII

Pius XII

pope

Boniface VIII

Boniface VIII

pope

Paul III

Paul III

pope

Leo X

Leo X

pope

Pope Leo XIII seated in formal papal robes and cape, wearing a cross necklace, facing forward, in a black and white portrait from 1878.

Leo XIII

pope

Medallion depicting Pope Julius II

Julius II

pope

Pope Innocent IV

Innocent IV

pope

Alexander III

Alexander III

pope

Gregory IX consecrating the chapel of St. Gregory, detail of a fresco, 13th century; in the lower church of Sacro Speco, Subiaco, Italy

Gregory IX

pope

Pius X, 1903

St. Pius X

pope

Pius XI

Pius XI

pope

Clement VII

Clement VII

pope

Bronze medallion showing a left-facing portrait of Pope Sixtus IV in papal regalia, with Latin inscription around the edge.

Sixtus IV

pope

Paul IV

Paul IV

pope

Urban VIII

Urban VIII

pope

Holy week. Easter. Valladolid. Procession of Nazarenos carry a cross during the Semana Santa (Holy week before Easter) in Valladolid, Spain. Good Friday

Christianity Quiz

Christ as Ruler, with the Apostles and Evangelists (represented by the beasts). The female figures are believed to be either Santa Pudenziana and Santa Praxedes or symbols of the Jewish and Gentile churches. Mosaic in the apse of Santa Pudenziana, Rome,A

Pop Quiz: 19 Things to Know About Christianity