Pontificate of Pius IX
1846–1878 · Event
The longest verified reign: liberal hope turned arch-conservative, the Syllabus of Errors, papal infallibility defined — and the Papal States lost, leaving the 'prisoner of the Vatican'.
On these timelines: The Papacy, Master, Christianity, Major Religions, The Unification of Italy
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Around 1846
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- Taiping Rebellion (1851)
- Perry Expedition to Japan (1853)
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- Reign of Victoria (1837)
- Victorian era (1837)
- First public demonstration of surgical anaesthesia (1846)