Statistics for Ecumenical Councils

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Year(s)	Council Name	% Correct
325	First Council of Nicaea	100%
1869-1870	First Council of the Vatican	100%
787	Second Council of Nicaea	100%
1962-1965	Second Council of the Vatican	100%
1545-1563	Council of Trent	83%
381	First Council of Constantinople	83%
869-870	Fourth Council of Constantinople	83%
553	Second Council of Constantinople	83%
680-681	Third Council of Constantinople	83%
451	Council of Chalcedon	65%
431	Council of Ephesus	61%
1512-1517	Fifth Council of the Lateran	52%
1123	First Council of the Lateran	52%
1215	Fourth Council of the Lateran	52%
1139	Second Council of the Lateran	52%
1179	Third Council of the Lateran	52%
1431-1445	Council of Basel, Ferrara, and Florence	30%
1245	First Council of Lyon	30%
1274	Second Council of Lyon	30%
1414-1418	Council of Constance	17%
c. 50	Council of Jerusalem	17%
1311-1312	Council of Vienne	9%