| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| periods of time in history | 0.29 | 0.3 | 1340 | 57 |
| different time periods in history | 1.17 | 0.3 | 1275 | 5 |
| best time periods in history | 1.03 | 0.3 | 1102 | 33 |
| time periods in history timeline | 1.93 | 0.5 | 1894 | 100 |
| list of time periods in history | 0.6 | 0.5 | 921 | 80 |
| history time periods in order | 0.63 | 0.1 | 2282 | 18 |
| different time periods in american history | 1.05 | 0.9 | 2403 | 55 |
| different time periods in art history | 0.77 | 0.2 | 4844 | 37 |
| all time periods in history | 1.59 | 0.3 | 3059 | 65 |
| historical time periods in history | 1.89 | 0.7 | 2649 | 32 |
| names of time periods in history | 0.75 | 0.1 | 4329 | 41 |
| historical periods in time | 1.26 | 0.4 | 4003 | 13 |
| periods in history timeline | 0.89 | 1 | 846 | 3 |
| list of historical time periods | 1.94 | 0.4 | 5675 | 81 |
| historic periods of time | 0.28 | 0.1 | 8941 | 91 |
| distinct periods of history | 1.26 | 0.5 | 9420 | 63 |
| all periods of history | 1.08 | 0.2 | 2795 | 99 |
| what are the different historical periods | 1.18 | 0.5 | 8845 | 70 |
