The Feast of the Dedication of St. John Lateran is celebrated annually on November 9 in the Catholic Church. It is one of the four papal basilicas in Rome. St. Peter's Basilica, St. Paul's Basilica, and St. Mary Major are the other three. This feast celebrates the consecration and dedication of the Archbasilica of St. John Lateran in Rome by Pope Sylvester I around 324 AD. The...