A historical figure known as Pope Pius IX who was the longest-reigning pope in history.

पोप पायस IX, जो इतिहास में सबसे लंबे समय तक शासन करने वाले पोप थे।

English Usage: Pius IX was a pivotal figure in the history of the Catholic Church during the 19th century.

Hindi Usage: पायस IX 19वीं सदी के दौरान कैथोलिक चर्च के इतिहास में एक महत्वपूर्ण व्यक्ति थे।