A person claiming to be or elected pope in opposition to the one chosen by Church law is referred to as an antipope.
The Antipope was created in 1981.
The Antipope has 249 pages.
Antipope Christopher died in 904.
Antipope Laurentius died in 506.
Antipope Eulalius died in 423.
Antipope Dioscorus died in 530.
Antipope Theodoric died in 1102.
Antipope Boniface VII died in 985.
Antipope Honorius II died in 1072.
Antipope Benedict XIV died in 1433.
Antipope John XXIII was born in 1370.
Antipope John XXIII died in 1418.