# Syllabus of Errors (1864)

URL: https://christianity-history.com/timeline/1864-syllabus-of-errors
Location: Rome
Themes: Papacy

Pope Pius IX condemns modern liberal ideas. At this point in the timeline (1864), the Bishop of Rome was Pope Pius IX (16 June 1846 – 7 February 1878).

## Why it matters
Syllabus of Errors mattered because it shaped the authority, policy or public role of the papacy and the Catholic Church.

Pope at the time: [Pope Pius IX](https://christianity-history.com/popes/pope-pius-ix)

## Sources
- [Wikipedia — Syllabus of Errors](https://en.wikipedia.org/wiki/Syllabus_of_Errors)
- [Encyclopaedia Britannica topic lookup — Syllabus of Errors](https://www.britannica.com/search?query=Syllabus+of+Errors)
- [Wikipedia — Enlightenment and Revival (period overview)](https://en.wikipedia.org/wiki/History_of_Christianity#Modern_era)