Person
Nikephoros I
Nikephoros I was a Byzantine emperor of the early ninth century. He refused to continue paying the tribute agreed by his predecessor to the Abbasid Caliphate, provoking a major invasion by Harun al-Rashid. Defeated in 806, he was forced to accept humiliating tribute terms.

Mentioned in 2 profiles
Mentioned in 1 state history
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Cite this entry
- APA
- The Epoch Institute. (2026). Nikephoros I. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/nikephoros-i
- MLA
- “Nikephoros I.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/nikephoros-i. Accessed .
- Chicago
- The Epoch Institute. “Nikephoros I.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/nikephoros-i.
- Harvard
- The Epoch Institute (2026) ‘Nikephoros I’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/nikephoros-i (Accessed: ).
Last reviewed October 2026Random entry ↻