| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what happened in 1991 events | 0.15 | 0.4 | 4332 | 42 |
| events that happened in 1991 | 0.59 | 1 | 144 | 74 |
| major events that happened in 1991 | 0.13 | 0.2 | 5284 | 26 |
| what major events happened in 1991 | 1.61 | 1 | 3088 | 5 |
| what world events happened in 1991 | 1.33 | 0.5 | 1705 | 8 |
| important events that happened in 1991 | 0.9 | 0.2 | 7378 | 45 |
| events that happened in 1992 | 1.41 | 0.6 | 2507 | 52 |
| events that happened in 1990 | 1.59 | 0.2 | 3812 | 27 |
| events that happened in 1901 | 0.66 | 0.7 | 9769 | 36 |
| events that happened in 1911 | 1.05 | 0.3 | 3855 | 43 |
| events that happened in 1901 in australia | 1.54 | 0.3 | 5108 | 72 |
| events that happened in 1990 to 1999 | 1.48 | 0.2 | 5952 | 47 |
| events that happened in 1990 to 2000 | 0.31 | 0.1 | 3683 | 99 |
| events that happened in 1990 in america | 1.07 | 0.5 | 9644 | 42 |
| what events happened in 1991 | 0.27 | 0.2 | 5201 | 30 |
