He would have been appointed to the position by the pope. In the case of Saint Nicholas, that was probably Pope Saint Sylvester I.
Saint Nicholas was the Bishop of Myra in Turkey,
Saint Nicholas of Myra as a Catholic bishop known for his generosity.
The title of Saint Nicholas of Myra was 'Bishop."
Saint Nicholas of Myra was a Catholic bishop.
Saint Nicholas of Myra was a Catholic bishop.
He was a Catholic bishop.
Yes, he was the bishop of Myra.
St. Nicholas of Myra was a Catholic bishop.
Saint Nicholas was a Catholic bishop; as such, he believed and followed Roman Catholicism.
Nicholas of Myra was the bishop of the town of Myra in a Greek colony in Asia Minor.
St. Nicholas of Myra was a priest and them promoted to bishop.
Saint Nicholas, bishop of Myra, was the original Saint Nick.