| Year | Answer | % Correct |
|---|---|---|
| 1869-1870 | Vatican I | 93%
|
| 1962-1965 | Vatican II | 93%
|
| 325 | Nicaea I | 89%
|
| 787 | Nicaea II | 89%
|
| 381 | Constantinople I | 78%
|
| 553 | Constantinople II | 78%
|
| 680 | Constantinople III | 78%
|
| 869 | Constantinople IV | 78%
|
| 1545-1563 | Trent | 78%
|
| 451 | Chalcedon | 62%
|
| 1438-1443 | Florence | 51%
|
| 431 | Ephesus | 49%
|
| 1123 | Lateran I | 47%
|
| 1139 | Lateran II | 47%
|
| 1179 | Lateran III | 47%
|
| 1215 | Lateran IV | 47%
|
| 1512-1517 | Lateran V | 47%
|
| 1245 | Lyon I | 33%
|
| 1274 | Lyon II | 33%
|
| 1414 | Constance | 31%
|
| 1311 | Vienne | 24%
|