Quick Facts
Longest-reigning elected pope in the history of the Catholic Church
Declaration of the dogma of the Immaculate Conception
Conservative stance and opposition to modernism
Immaculate Conception" Pope: Longest reign, fought modernism, defined Catholic dogma.
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Life Journey
1792Born in 1792
Pope Pius IX was born in 1792.
1878Died in 1878
Pope Pius IX passed away in 1878 at the age of 86.