| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what world events happened in 1991 | 1.5 | 0.6 | 2034 | 46 |
| what world events happened in 1992 | 0.76 | 0.7 | 1575 | 52 |
| what world events happened in 1914 | 0.09 | 0.6 | 9575 | 87 |
| what world events happened in 1981 | 0.92 | 0.6 | 3372 | 68 |
| what happened on this day in 1991 | 1.42 | 0.7 | 9028 | 62 |
| what happened in 1991 usa | 1.75 | 0.5 | 7519 | 55 |
| current events in 1991 | 1.08 | 0.3 | 5543 | 91 |
| biggest events in 1991 | 1.28 | 0.3 | 9871 | 7 |
| famous events in 1991 | 1.05 | 0.6 | 1209 | 54 |
| key events of 1991 | 1.31 | 0.4 | 4911 | 50 |
