Brigid is known for being the only bishop of the early church.

Theobald was the only bishop present at the ceremony whose diocese was not in France.

He is the only bishop of the diocese to serve in three positions.

Gaillot was the only French bishop participating in this ceremony.

He was the only bishop to serve as the head of an American seminary.

Quite unusual, because it puts a pawn on the same color as White's only bishop and thus limits its effectiveness.

He was apparently the only effective European bishop in medieval Peking.

He also held what is believed to be the unique distinction of being the only bishop to have served in all three of the armed services.

Since the death of the only bishop in 1572, the title has remained in abeyance.

He was the only bishop to carry the Olympic torch in 1996 when it traveled across the country.