People

Gelasius I

Pope Gelasius I served as pope from 492 to 496. His letter to Emperor Anastasius articulated the doctrine of two powers, distinguishing sacred authority from royal power and influencing medieval church-state thought.

Died
496 CE
Role
Pope

Pope (d. 496)

Portrait of Pope Gelasius I with a reference to his letter to Emperor Anastasius
Quick facts

Profile details

Additional identity and tagging details that are not already covered in the introduction.

Full name
Pope Gelasius I
Also known as
Saint Gelasius I
Facts

Gelasius I timeline facts

Selected specifics from this profile's life story.

Before 492
Late Roman churchman

Gelasius served the Roman church before becoming pope in 492, after the western imperial office had disappeared.

494
Two powers

Gelasius wrote to Emperor Anastasius that the world was governed by sacred authority and royal power.

492-496
Roman authority

Gelasius defended Roman authority in disputes with the eastern empire and helped define papal independence.

After 496
Medieval inheritance

Gelasius died in 496, but his two powers doctrine became one of the foundations for medieval debates between popes and rulers.

Life Journey

Two powers, one Church

Follow Gelasius through the late Roman arguments that shaped medieval political theology.

Before 492

Late Roman churchman

Gelasius served the Roman church before becoming pope in 492, after the western imperial office had disappeared.

494

Two powers

Gelasius wrote to Emperor Anastasius that the world was governed by sacred authority and royal power.

492-496

Roman authority

Gelasius defended Roman authority in disputes with the eastern empire and helped define papal independence.

After 496

Medieval inheritance

Gelasius died in 496, but his two powers doctrine became one of the foundations for medieval debates between popes and rulers.

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Connected stories

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Tertiary paths

Content note

This profile is written for educational use and connects to related Stories of History pages. Illustrations are original artistic interpretations.

References

Sources & Further Reading

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Further reading

  1. Encyclopaedia Britannica, Search results for Gelasius I,” accessed June 2026.Open source
  2. WorldCat, Books and library holdings for Gelasius I,” accessed June 2026.Open source

Primary sources

  1. Library of Congress, Search results for Gelasius I,” accessed June 2026.Open source

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