Lyons, First Council of
Lyons, First Council of (lyôNˈ) [key], 1245, 13th ecumenical council of the Roman Catholic Church, convened at Lyons, France, by Pope Innocent IV to deal with his struggle with Holy Roman Emperor Frederick II. In spite of the defense of Frederick by his ambassador, he was declared deposed by the council. The action was without effect.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on First Council of Lyons from Fact Monster:
See more Encyclopedia articles on: Roman Catholic and Orthodox churches: Councils and Treaties