deaths
May 23, 1423
Antipope Benedict XIII (born 1328)
Antipope Benedict XIII
Pedro Martínez de Luna y Pérez de Gotor, known as el Papa Luna or Pope Luna, was an Aragonese nobleman who was antipope with the regnal name Benedict XIII during the Western Schism.
May 23
May 23 is the 143rd day of the year in the Gregorian calendar; 222 days remain until the end of the year.