Statistics for Ecumenical Councils

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Year(s)	Council Name	% Correct
1869-1870	First Council of the Vatican	100%
1962-1965	Second Council of the Vatican	100%
325	First Council of Nicaea	98%
787	Second Council of Nicaea	98%
1545-1563	Council of Trent	85%
381	First Council of Constantinople	78%
869-870	Fourth Council of Constantinople	78%
553	Second Council of Constantinople	78%
680-681	Third Council of Constantinople	78%
451	Council of Chalcedon	65%
431	Council of Ephesus	65%
1512-1517	Fifth Council of the Lateran	65%
1123	First Council of the Lateran	65%
1215	Fourth Council of the Lateran	65%
1139	Second Council of the Lateran	65%
1179	Third Council of the Lateran	65%
1245	First Council of Lyon	43%
1274	Second Council of Lyon	43%
1431-1445	Council of Basel, Ferrara, and Florence	40%
1414-1418	Council of Constance	38%
c. 50	Council of Jerusalem	30%
1311-1312	Council of Vienne	28%