| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what era is 2021 in history | 1.64 | 0.9 | 2970 | 14 |
| what era is 2021 in politics | 1.42 | 0.8 | 9726 | 22 |
| what era is 2021 in astrology | 0.92 | 0.2 | 239 | 15 |
| what era is 2021 in technology | 1.2 | 0.5 | 2263 | 29 |
| what era is 2021 in literature | 0.74 | 0.9 | 7161 | 38 |
| what era is 2021 in art | 0.48 | 0.5 | 1855 | 8 |
| what era is 2021 in fashion | 1.92 | 0.1 | 3711 | 6 |
| what is history now 2021 | 0.19 | 0.1 | 5943 | 11 |
| what era is 2021 in geology | 1.19 | 0.8 | 9038 | 8 |
| today in history in 2021 | 1.1 | 1 | 1041 | 21 |
| the year 2021 is in what century | 0.38 | 0.8 | 5583 | 56 |
| today in history calendar 2021 | 0.56 | 0.1 | 599 | 18 |
| what year is 2021 | 0.15 | 0.3 | 5853 | 85 |
| what century is 2021 | 0.4 | 1 | 5350 | 65 |
| this day in history 2021 | 0.09 | 0.1 | 2648 | 82 |
| how long ago was 2021 in years | 0.61 | 0.6 | 964 | 50 |
| how long was 2021 ago | 1.13 | 0.9 | 6078 | 64 |
| how many years was 2021 ago | 1.47 | 0.4 | 9765 | 9 |
