An episcopal polity, also known as episcopalianism, is a hierarchical form of church governance in which the chief local authorities are called bishops. The word "bishop" here is derived via the Vulga
The chair (cathedra) of the Bishop of Rome (Pope) of the Catholic Church in the Archbasilica of Saint John Lateran in Rome, Italy, represents his episcopal authority.
Pope Pius IX convened the First Vatican Council that approved the dogma of the pope as the visible head of the church, prime bishop over a hierarchy of clergy and believers.
Paul Kwong, Anglican Archbishop and Primate of Hong Kong
Saint Peter's Basilica facade, Rome, Italy
The Catholic Church, also called the Roman Catholic Church, is the largest Christian church, with an estimated 1.28 to 1.41 billion baptized members worldwide as of 2026. It consists of 24 autonomous
Episcopal polity
…from Ancient Greek ἐπίσκοπος (epískopos) 'overseer'. It is the structure used by many of the major Christian churches and denominations, such as the Catholic, Eastern Orthodox, Oriental Orthodox, Church of the East, Anabaptist, Lutheran, and Anglican churches or denominations, and other churches founded…
The first use of the term "Catholic Church", meaning "universal church", was by the Church Father Saint Ignatius of Antioch in his Letter to the Smyrnaeans in c. 110 AD. Ignatius of Antioch also is credited with the first recorded use of the term Christianity ten years earlier, in c. 100 AD. He died in Rome, with his relics located in San Clemente al Laterano.
A c. 1481–1482 fresco by Pietro Perugino in the Sistine Chapel showing Jesus giving the keys of heaven to Saint Peter
The Last Supper in the Santa Maria delle Grazie Church in Milan, Italy, a late 1490s mural painting by Leonardo da Vinci, depicting the Last Supper of Jesus and his twelve apostles, depicts the final meal of Jesus before his crucifixion and death.