| A | B |
| 1st | Pax Romana Ends |
| 2nd | Diocletian Divides Empire |
| 3rd | Constantine Grants Religious Freedom |
| 4th | Constantinople Built |
| 5th | Western Roman Empire Falls |
| 6th | Mohammed flees Mecca |
| 7th | Battle of Tours |
| 8th | Charlemagne Crowned Emperor |
| 9th | Split of Christian Church |
| 10th | Normans Conquer England |
| 11th | Pope Urban calls for Crusades |
| 12th | King John forced to sign Magna Carta |
| 13th | Last Christian Outpost taken by Muslims |
| 14th | End of Babylonian Captivity |
| 15th | French Defeat England in Orleans |
| 16th | Constantinople falls to Ottoman Turks |