Pope of the Catholic Church from 1846 to 1878
Pius IX was the head of the Catholic Church for 32 years, from 1846 until his death in 1878, making him one of the longest-reigning popes in history. His papacy was significant because it spanned a period of major changes in Europe and the Catholic Church, including the loss of the papal states and important church doctrines defined during his time.
AI-generated from the Wikipedia summary — may contain errors.
Other popes named Pius
Pope Pius IX (Italian: Pio IX; born Giovanni Maria Battista Pietro Pellegrino Isidoro Mastai-Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 16 June 1846 until his death in February 1878.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).