The effect was apparently only reversed by the application of Holy water, leading to belief that it was caused by demonic possession.[1]:328 Magdalena de la Cruz (1487–1560), a Franciscan nun of Cordova, Spain.[17] Margaret Rule, a young Boston girl in the 1690s who was believed to be harassed by evil forces shortly after the Salem Witchcraft Trials, reportedly levitated from her bed in the presence of a number of witnesses.[18]