Person

Pope Innocent III

1161–1216 · 12th century · Also known as Lotario dei Conti di Segni

Pope Innocent III, born Lotario dei Conti di Segni, led the Church from 1198 to 1216 and was one of the most powerful medieval popes. He reasserted papal rule over central Italy, including Spoleto, launched the Fourth Crusade, which instead took Constantinople in 1204, and called the Albigensian Crusade against the Cathars. He sent a crown to Kaloyan of Bulgaria, supported the Livonian crusade and the Brothers of the Sword, and held the Fourth Lateran Council in 1215.

Pope Innocent III
Image: Carlo Raso · Public domain · Wikimedia Commons

Mentioned in 3 profiles

County of ToulouseDeclineCrown of AragonFoundationSecond Bulgarian EmpireFoundation

Mentioned in 7 state histories

Duchy of SpoletoPapal StatesTuraidaSecond Bulgarian EmpirePrincipality of ArbanonLivonian Brothers of the SwordTerra Mariana

See also

Cite this entry
APA
The Epoch Institute. (2026). Pope Innocent III. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/pope-innocent-iii
MLA
“Pope Innocent III.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/pope-innocent-iii. Accessed .
Chicago
The Epoch Institute. “Pope Innocent III.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/pope-innocent-iii.
Harvard
The Epoch Institute (2026) ‘Pope Innocent III’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/pope-innocent-iii (Accessed: ).

Last reviewed October 2026Random entry ↻