August 12, 1308: Pope Clement V issues the Bull Regnans in coelis calling a general council to meet on October 1, 1310, at Vienne in France for the purpose "of making provision in regard to the Order of Knights Templar, both the individual members and its lands, and in regard to other things in reference to the Catholic Faith, the Holy Land, and the improvement of the Church and of ecclesiastical persons". 1308: Meister Eckhart, Dominican mystic, composes his Book of Spiritual Consolations for Agnes, Queen of Hungary.[19] August 17–20, 1308: The leaders of the Knights Templar are secretly absolved by Pope Clement V after their interrogation was carried out by papal agents to verify claims against the accused in the castle of Chinon in the diocese of Tours. October 16, 1311: The first formal session of the Ecumenical Council of Vienne begins under Pope Clement V. March 22, 1312: Clement V promulgates the Bull Vox in excelsis suppressing the Knights Templar.