| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| wiki this day in history | 0.68 | 0.3 | 9732 | 94 |
| pi day history wiki | 1.8 | 0.8 | 267 | 38 |
| nickelodeon history day wiki | 1.45 | 0.3 | 6939 | 92 |
| this day in aviation history wiki | 1.54 | 0.3 | 8887 | 25 |
| valentine's day history wiki | 0.3 | 0.5 | 2818 | 84 |
| father's day history wiki | 0.03 | 0.7 | 7600 | 47 |
| day in history wiki | 0.06 | 0.7 | 6689 | 16 |
| international pi day history | 1.88 | 0.9 | 2781 | 100 |
| history of pi day videos | 1.65 | 0.4 | 5635 | 10 |
| what year was pi day founded | 0.32 | 0.6 | 7405 | 85 |
| pi day history for kids | 1.13 | 0.1 | 9562 | 90 |
| who created pi day | 1.82 | 0.5 | 3653 | 33 |
| when was the first pi day | 0.75 | 0.3 | 4619 | 76 |
| what year did they call pi day | 1.8 | 0.6 | 2905 | 48 |
| when was pi day first celebrated | 0.22 | 0.8 | 4097 | 68 |
| what year was pi day first celebrated | 0.67 | 0.5 | 2476 | 60 |
| who invented pi day | 1.07 | 0.6 | 2086 | 78 |
| pi day history 12 | 1.29 | 0.7 | 8505 | 13 |
| what day is pi day | 0.42 | 0.4 | 6273 | 38 |
| facts about pi day | 1.29 | 0.7 | 3048 | 1 |
| significance of pi day | 1.01 | 1 | 5887 | 48 |
| what date is pi day | 0.73 | 0.5 | 6717 | 55 |
