St. Teresa of Ávila is born. A Spanish mystic, her work and writings will play a major role in the Roman Catholic Counter-Reformation. Teresa joins a Carmelite convent near Avila but grows dissatisfied with the spirituality she finds there. During the study of devotional books, she begins to experience visions of Jesus.
According to her reports, she enters into a "spiritual" marriage with him and, as a result, feels encouraged to reform of the Carmelite order. In addition to causing them to become more strict, she founds an additional, male Carmelite order. This will make her the only woman to ever found a religious order for men in the Catholic Church.