| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| 1921 history | 0.74 | 0.6 | 9337 | 88 | 12 |
| 1921 | 0.24 | 0.8 | 8441 | 49 | 4 |
| history | 1.18 | 0.3 | 94 | 37 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 1921 history | 1.68 | 0.1 | 145 | 15 |
| 1921 history events | 0.7 | 0.2 | 6763 | 50 |
| 1921 historical events | 1.04 | 0.7 | 2891 | 85 |
| 1922 history | 0.08 | 0.5 | 448 | 99 |
| 1922 history facts | 1.99 | 0.5 | 7570 | 64 |
| 1922 history events | 0.18 | 1 | 9820 | 74 |
| 1922 history timeline automobile | 1.8 | 0.2 | 307 | 8 |
| today in history 1921 | 0.09 | 0.2 | 3706 | 26 |
| on this day in history 1921 | 1.61 | 0.8 | 5520 | 7 |
| what happened today in history 1921 | 0.96 | 0.7 | 5261 | 18 |
| what happened in 1921 history | 1.59 | 1 | 9794 | 14 |
| what happened in 1921 in american history | 0.4 | 0.7 | 2565 | 49 |
| nhl 1921 history | 0.15 | 0.5 | 6594 | 7 |
| mlb world series teams 1921 history | 1.91 | 0.2 | 9681 | 29 |
| earth 1921 history | 1.47 | 0.2 | 2461 | 90 |
| bbc news 1921 census history | 1.89 | 0.8 | 8952 | 91 |
