| Similarity | Rank | |
|---|---|---|
| modern_history | 0.647 | 93951 |
| social_history | 0.630 | 46374 |
| American_history | 0.625 | 28141 |
| political_history | 0.619 | 61414 |
| cultural_history | 0.603 | 33672 |
| the_Great_War | 0.602 | 49818 |
| World_War_One | 0.600 | 79514 |
| World_War_Two | 0.596 | 82999 |
| the_American_Civil_War | 0.593 | 99889 |
| European_history | 0.593 | 79644 |
| local_history | 0.589 | 24362 |
| historical_study | 0.587 | 94448 |
| WWII | 0.587 | 19044 |
| World_War_II | 0.587 | 7847 |
| history | 0.585 | 354 |
| World_War_I | 0.580 | 17842 |
| the_First_World_War | 0.579 | 30680 |
| WW2 | 0.579 | 53581 |
| Civil_War | 0.575 | 24376 |
| the_Civil_War | 0.573 | 11655 |
| WW1 | 0.570 | 70612 |
| historian | 0.569 | 4549 |
| historiography | 0.565 | 45319 |
| of_the_First_World_War | 0.565 | 94016 |
| WWI | 0.564 | 39298 |