| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what happened in the year 1917 | 0.09 | 0.2 | 799 | 76 |
| what happened in the year 1927 | 1.98 | 0.4 | 2559 | 56 |
| what happened in the year 1918 | 0.25 | 0.6 | 5088 | 37 |
| what happened in the year 1919 | 1.61 | 0.4 | 9455 | 38 |
| what happened in the year 1916 | 1.32 | 0.5 | 7828 | 28 |
| what happened in the year 1974 | 0.49 | 0.8 | 974 | 17 |
| what happened in the year 1973 | 1.97 | 0.4 | 3945 | 93 |
| what happened in the year 1975 | 0.49 | 0.4 | 5781 | 38 |
| what happened in the year 1977 | 1.24 | 0.1 | 2112 | 20 |
| what happened in the year 1970 | 0.83 | 0.5 | 5299 | 14 |
| what happened in the year 1947 | 0.98 | 1 | 2400 | 32 |
| what happened in the year 1971 | 1.81 | 0.6 | 3534 | 95 |
| what happened in the year 1979 | 0.33 | 0.5 | 4182 | 35 |
| what happened in the year 1978 | 0.51 | 0.3 | 9465 | 69 |
| what happened in the year 1972 | 1.14 | 0.7 | 622 | 80 |
