| Modern Era | Medieval Era | Ancient Era | |
| 9th | 17th Century | 5th – 6th – 7th – 8th | Prehistory to 2000 B.C. |
| 10th | 18th Century | 9th – 10th – 11th – 12th | 2000 to 1000 B.C. |
| 11th | 19th Century | 13th – 14th | 1000 to 0 B.C. |
| 12th | 20th Century | 15th – 16th | 0 to 400 |
| Modern Era | Medieval Era | Ancient Era | |
| 9th | 17th Century | 5th – 6th – 7th – 8th | Prehistory to 2000 B.C. |
| 10th | 18th Century | 9th – 10th – 11th – 12th | 2000 to 1000 B.C. |
| 11th | 19th Century | 13th – 14th | 1000 to 0 B.C. |
| 12th | 20th Century | 15th – 16th | 0 to 400 |