John the Warrior or John the Soldier in the Catholic Church is a Christian saint and martyr. He was born in the 4th century and lived until his death in the Byzantine Empire. Forced by Julian the Apos
Иоанн Воинственник (Ioann Voistvennik); unknown artist (possibly made by members of the school); Palekh; early 19th century; on wood, primer, egg tempera, gold; 31.5×26.5; State Palekh Art Museum, Palekh, Russia; January 322
Преподобный Симеон Столпник и мученик Иоанн Воин (Prepodobnij Simeon Stolpnik i muchenik Ioann Voin); from the Simeon Stolpnik church in Yaroslavl; late-17th century – early 18th century; on wood, tempera; 31.5×27; Yaroslavl Art Museum, Yaroslavl, Russia; Инв. И-501; Restoration in 2005 by А. Н. Klyachina
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
St. Peter's Basilica in Vatican City, the largest Catholic church building in the world
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.