The Roman Catholic Church is a major Christian religion in the world.
The church is based in the Vatican in Rome. Many faithful Christians are members of the church. They share a belief in God and Christ; the Creator of the Universe. The church is lead by the Pope. It's history goes back to the last generations of the Romans.
Another holiday celebrated by the Catholics is Michaelmas in worship of Michael, another is Christmas which celebrates the birth of Christ. Santa was a member of the church known for giving gifts away.