| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what happened august 13 1991 | 0.7 | 0.4 | 4524 | 49 |
| what happened on 1991 | 0.17 | 0.5 | 4805 | 87 |
| what happened in the year 1991 | 1.63 | 0.5 | 9559 | 72 |
| what happened on this day in 1991 | 0.55 | 0.3 | 678 | 18 |
| what happened in 1991 in american history | 1.04 | 0.5 | 14 | 58 |
| what happened on october 31 1991 | 1.78 | 0.3 | 6632 | 86 |
| what happened in 1991 usa | 0.39 | 0.6 | 1920 | 58 |
| what events happened in 1991 | 0.08 | 0.7 | 9667 | 6 |
| what happened on march 3rd 1991 | 0.08 | 0.1 | 445 | 19 |
| what major events happened in 1991 | 0.89 | 0.7 | 1023 | 95 |
| what happened in june 1991 | 1.53 | 0.6 | 3460 | 57 |
| what happened in january 1991 | 1.61 | 0.8 | 5182 | 76 |
| what happened in 1991 uk | 0.51 | 0.6 | 8060 | 39 |
| things that happened in 1991 | 0.12 | 0.9 | 2636 | 3 |
| what was happening in 1991 | 0.04 | 0.9 | 9328 | 3 |
| what happened on june 10 1991 | 1.04 | 0.9 | 6561 | 82 |
| what war happened in 1991 | 1.94 | 0.2 | 1354 | 46 |
| historical events of 1991 | 0.8 | 0.6 | 1681 | 32 |
| important events of 1991 | 0.99 | 1 | 9503 | 68 |
| significant events in 1991 | 1.75 | 0.7 | 3841 | 3 |
| major events of 1991 | 0.8 | 0.7 | 3917 | 23 |
