Person
Pope Sixtus IV
Pope Sixtus IV reigned from 1471 to 1484. He built the Sistine Chapel and refounded the Vatican Library, but was notorious for advancing his nephews, among them Girolamo Riario, for whom he acquired Imola and Forlì. His family's hostility to the Medici lay behind the Pazzi conspiracy of 1478.

Mentioned in 3 profiles
Mentioned in 2 state histories
See also
Cite this entry
- APA
- The Epoch Institute. (2026). Pope Sixtus IV. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/pope-sixtus-iv
- MLA
- “Pope Sixtus IV.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/pope-sixtus-iv. Accessed .
- Chicago
- The Epoch Institute. “Pope Sixtus IV.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/pope-sixtus-iv.
- Harvard
- The Epoch Institute (2026) ‘Pope Sixtus IV’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/pope-sixtus-iv (Accessed: ).
Last reviewed October 2026Random entry ↻