| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| was there a plague in 1820 | 1.88 | 0.1 | 4538 | 55 |
| was there a plague in 1620 | 1.64 | 0.4 | 1985 | 97 |
| was there a plague in 1920 | 1.7 | 0.1 | 5079 | 74 |
| was there a plague in 1720 | 1.03 | 0.1 | 4297 | 44 |
| what happened in 1820 plague | 0.32 | 0.1 | 4397 | 5 |
| cholera plague 1820 | 1.91 | 0.5 | 8944 | 34 |
| plague in the early 1900s | 0.61 | 0.2 | 5506 | 14 |
| when was the plague in | 0.5 | 0.1 | 8001 | 45 |
| when was the plague in america | 1.8 | 0.8 | 5808 | 66 |
| what plague was in 1920 | 0.93 | 0.8 | 5131 | 91 |
| what plague happened in the early 1900s | 0.7 | 0.5 | 3651 | 33 |
| what date was the plague | 1.22 | 0.8 | 1882 | 95 |
| what year was the plague | 1.79 | 0.2 | 9298 | 59 |
| plague in the 1700s | 1.16 | 0.7 | 1759 | 5 |
| history of plagues in us | 0.23 | 1 | 5481 | 19 |
| plagues in the 1800s | 0.99 | 0.6 | 7442 | 86 |
| when did the plague happen | 0.9 | 0.6 | 2599 | 46 |
| when did the plague occur | 0.3 | 0.7 | 3174 | 13 |
| plagues in american history | 1.38 | 0.9 | 6646 | 3 |
| what year did the plague happen | 0.43 | 0.6 | 4507 | 90 |
| plague when did it start | 0.21 | 0.5 | 3365 | 45 |
