Hutterites led by Jacob Hutter establish a community of love. Theophrastus von Hohenheim expelled from Basel for his medical innovations. Hutterites driven from their community of love. Theophrastus von Hohenheim rejects four humors and introduces chemotherapy. June 6 King Gustav I of Sweden crowned .
Mennonite views challenge Catholic hold on spiritual beliefs.
January 19 Huldreich Zwingli publishes his 67 Articles , attacking transubstantiation and papal authority. Zwingli condems priesthood celibacy. Martin Luther publicly burns papal bull of excommunication. 1520 Pope Leo X excommunicates Martin Luther. 1518 Lorens de Gominot receives license to import African slaves.