This same council burns Czech priest John Hus as a heretic and condemns John Wycliffe posthumously.
Religious beliefs continue to be matters of political concern.
Thomas a' Kempis' classic Imitation of Christ written. The Turks capture Constantinople and turn St. Sophia Basilica into a mosque. The many scholars fleeing west encourage a revival of classical learning - the Renaissance. The Inquisition against heresy in Spain set up by Ferdinand and Isabella with papal approval. Under Torquemada Jews are given 3 months to become Christians or leave the country.