| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many years ago was 400 bc | 1.95 | 0.7 | 9453 | 44 |
| how many years ago was 400 bce | 1.44 | 0.9 | 1780 | 15 |
| how many years ago was 4000 bc | 0.67 | 0.7 | 8622 | 17 |
| how many years ago was 4000 bce | 1.16 | 0.7 | 2611 | 9 |
| how many years ago was 480 bc | 0.8 | 0.6 | 3915 | 44 |
| how many years ago was 400 ce | 0.54 | 0.6 | 2923 | 2 |
| 400 bce is how many years ago | 0.78 | 1 | 5287 | 54 |
| 400 bc is how many years ago | 0.85 | 1 | 6555 | 87 |
| how long ago was 400 years | 1.21 | 1 | 1830 | 85 |
| when was 400 years ago | 2 | 0.6 | 9927 | 94 |
| what year was 400 years ago | 0.5 | 0.4 | 1192 | 17 |
| how long ago was 400 ce | 0.85 | 0.5 | 7249 | 29 |
| what was the date 400 years ago | 0.76 | 0.8 | 4480 | 19 |
| what century was 400 years ago | 0.48 | 0.9 | 1365 | 14 |
| how long ago was 4000 bce | 0.07 | 0.7 | 5415 | 2 |
| when was 400 bce | 1.06 | 0.9 | 38 | 43 |
| how long ago was 4004 bc | 1.89 | 1 | 4960 | 8 |
| when was 400 days ago | 0.51 | 0.1 | 2803 | 88 |
| what century was 400 bc | 0.58 | 0.5 | 4681 | 50 |
