Year by year · 10th century

917 CE

917 CE in world history: 3 events, 4 deaths and 1 state founded. 376 recorded states existed that year.

Events

  1. Battle

    Battle of Achelous

    The Battle of Achelous was fought on 20 August 917 by the river Achelous, near Anchialus on the Black Sea coast of present-day Bulgaria.

  2. Battle

    Battle of Katasyrtai

    The Battle of Katasyrtai was fought in 917 near Constantinople, shortly after Simeon I's victory at Achelous.

ProfileState287 states with a known seat in 917 CEOpen the atlas at 917 CE →

In the profiles

Died in 917 CE 4

States founded 1

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Cite this page
APA
The Epoch Institute. (2026). 917 CE. In The Epoch Institute, Year by Year. https://the-epoch-institute.org/years/917
MLA
“917 CE.” The Epoch Institute, Year by Year, The Epoch Institute, 2026, https://the-epoch-institute.org/years/917. Accessed .
Chicago
The Epoch Institute. “917 CE.” The Epoch Institute, Year by Year. 2026. https://the-epoch-institute.org/years/917.
Harvard
The Epoch Institute (2026) ‘917 CE’, The Epoch Institute, Year by Year. Available at: https://the-epoch-institute.org/years/917 (Accessed: ).