| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what happened in the world in 1923 | 0.82 | 0.2 | 6753 | 56 |
| what happened in the world in 1911 | 0.91 | 0.8 | 7217 | 48 |
| what happened in the world in 1910 | 1.81 | 0.8 | 5258 | 99 |
| what happened in the world in 1917 | 0.32 | 0.8 | 3035 | 51 |
| what happened in the world in 1913 | 1.79 | 0.8 | 5699 | 75 |
| what happened in the world in 1993 | 0.33 | 0.6 | 3209 | 75 |
| what happened in the world in 1998 | 0.07 | 0.5 | 668 | 6 |
| what happened in the world in 1990 | 1.81 | 0.8 | 2375 | 49 |
| what happened in the world in 1991 | 1.69 | 0.8 | 9561 | 11 |
| what happened in the world in 1992 | 0.26 | 0.3 | 5812 | 10 |
| what happened in the world in 1995 | 1.02 | 0.9 | 2023 | 22 |
| what happened in the world in 1997 | 1.71 | 0.7 | 4030 | 58 |
| what happened in the world in 1934 | 0.05 | 0.6 | 4046 | 72 |
| what happened in the world in 1939 | 1.32 | 0.9 | 5441 | 57 |
| what happened in the world in 1933 | 1.91 | 0.3 | 3546 | 21 |
| what happened in the world in 1973 | 0.8 | 0.1 | 1838 | 71 |
| what happened in the world in 1924 | 1.08 | 0.9 | 8744 | 58 |
| what happened in the world in 1928 | 0.94 | 0.8 | 5688 | 100 |
| what happened in the world in 1929 | 0.55 | 0.1 | 9440 | 1 |
| what happened in the world in 1937 | 1.93 | 0.5 | 5624 | 51 |
