1: The 1st Council of Lyons arrived in December 2, 1244.
2: It occurred in the year 1245.
3: Latin Patriarchs and 140 bishops responded along with Pope Innocent the Second.
4: The Council of Lyons was called together to excommunicate and depose Emperor Fredrick the Second and Portuguese King Sancho the Second. It was also to reacquire the Holy Land. Towards the end of it Emperor Fredrick the Second was deposed for trying to stop the council from gathering together.
5: "First Council of Lyon." Wikipedia, the Free Encyclopedia. Web. 12 Feb. 2011.