He was a Roman emperor (AD 138 - 161), then served as consul (120) before being assigned judicial administrative duties in Italy.
He later governed the province of Asia (c. 134). He became an adviser to Hadrian and in 138 was made Hadrian's heir.
On accession he had the deceased emperor declared a god; for such dutiful acts he was named Pius. He quelled rebellions in Britain and other provinces and built the Antonine Wall.
This is where the term "Pious" originated, meaning devout or a strict, traditional sense of virtue.
There has been a Pius XII but no Pius XIII.
Pope Pius XII followed Pius XI.
12 popes have taken the name "Pius". Some of them were also canonized as saints. Pope Pius I, saint, Pope 140/142 to 155 Pope Pius II, Pope 1458 to 1474 Pope Pius III, Pope in 1503 Pope Pius IV, Pope 1559 to 1565 Pope Pius V, saint, Pope 1566 to 1572 Pope Pius VI, Pope 1775 to 1799 Pope Pius VII, Pope 1800 to 1823 Pope Pius VIII, Pope 1829 to 1830 Pope Pius IX, Pope 1846 to 1878 Pope Pius X, saint, Pope 1903 to 1914 Pope Pius XI, Pope 1922 to 1939 Pope Pius XII, Pope 1939 to 1958
The names of Antoninus Pius are:Titus Aurelius Fulvus Boionius Pius, he then became Caesar Titus Aurelius Hadrianus Antoninus Augustus Pius.
Pius V, O.P. Saint Pius Papa Pius Quintus, Michele Ghislieri
The symbol typically associated with Saint Pius X is a depiction of him wearing papal attire and holding a book or a staff, representing his service as Pope of the Catholic Church.
Pius Keller died in 1904.
Pius Keller was born in 1825.
Pius Schuwey was born in 1970.
Pius Melia was born in 1800.
Pius Segmüller was born in 1952.
Pius Msekwa was born in 1935.