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A church may be called a basilica because of a particular event (miracle, pilgrimage) or because there are relics in it. The name is largely honorific and the right to be called basilica is given by the Pope. A church may be called a cathedral when it is the seat of the diocese (and hence headed by a bishop), which is not the case for the basilica of the Sacré-Coeur.
A Basilica is indeed bigger than a Cathedral. The Rank goes: Church, Cathedral, and finally Basilica. The Vatican is a Basilica.
If you are referring to St. Mark's in Venice, Italy, the Church is dedicated to him and his relics are held there.
Ordination is when a person becomes a priest in the Catholic church and is held in a cathedral or the Basilica in Rome.
Saint-Michel Basilica-Cathedral was created in 1959.
The first building was a basilica (destroyed by fire) and then it was rebuilt as a Cathedral.
The relics that reside in the Venice Cathedral, also known as St. Mark's Basilica, primarily belong to Saint Mark the Evangelist. According to tradition, his remains were brought to Venice from Alexandria, Egypt, in the 828 AD. The basilica is dedicated to him and is known for its stunning architecture and mosaics, reflecting the city's rich history and connection to maritime trade. Saint Mark is considered the patron saint of Venice, and his relics play a significant role in the city's cultural and religious identity.
Basilica of St. Joseph Proto-Cathedral was created in 1823.
If you are referring to St. Mark's in Venice, Italy, the Church is dedicated to him and his relics are held there.
St. Peter's is a basilica in Vatican City.
Parts of St. Andrew are scattered all over Europe. Relics are kept at the Basilica of St Andrew in Patras, Greece; the Duomo di Sant'Andrea, Amalfi, Italy; St Mary's Roman Catholic Cathedral, Edinburgh, Scotland; and the Church of St Andrew and St Albert, Warsaw, Poland. There are also numerous smaller reliquaries throughout the world.
Balthazar, one of the three wise men, was declared a saint by the early Church. He was never formally canonized. His purported relics are held in the cathedral in Cologne, Germany.