| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| big events in history usa | 1.87 | 0.4 | 275 | 79 |
| big events in history | 1.03 | 0.9 | 7559 | 2 |
| interesting events in u.s. history | 0.53 | 1 | 550 | 64 |
| major events in united states history | 1.62 | 0.4 | 8526 | 56 |
| major events in us history | 1.02 | 0.9 | 5101 | 23 |
| events in us history | 1.98 | 0.7 | 8319 | 29 |
| events in united states history | 1.17 | 0.7 | 7762 | 96 |
| significant events in us history | 1.18 | 0.7 | 4319 | 73 |
| great events in american history | 1.12 | 0.7 | 9714 | 96 |
| important events in us history | 0.68 | 0.1 | 1219 | 81 |
| historical events in usa | 1.62 | 1 | 253 | 7 |
| important events in united states history | 1.83 | 0.1 | 2656 | 33 |
| big events in the united states | 0.24 | 1 | 9872 | 4 |
