Farakano la Kanisa la Magharibi lilitokea ndani ya Kanisa Katoliki katika miaka 1378-1418. Makardinali wenye jukumu la kumchagua Papa walichagua wawili, mmoja baada ya mwingine, na hivyo kusababisha isieleweke yupi ana haki ya kuongoza. Siasa ilijiingiza na kudumisha fujo kubwa, ingawa si kuhusu mafundisho ya imani, mpaka Mtaguso wa Konstanz (1414–1418) ulipotoa suluhisho. Hata hivyo ilibaki athari mbaya juu ya mamlaka ya Mapapa waliofuata. The Three Popes: An Account of the Great Schism, by Marzieh Gail. The Great Schism: 1378, by John Holland Smith (New York 1970). The Origins of the Great Schism: A study in fourteenth century ecclesiastical history, by Walter Ullmann (Hamden, Conn: Archon Books, 1967 (rev. of 1948 original publication)). The Age of the Great Western Schism Catholic Encyclopedia article