SimilarityRank
U.S._history 0.719 74846
European_history 0.717 79644
modern_history 0.706 93951
World_history 0.701 92874
American_history 0.700 28141
history 0.666 354
in_American_history 0.664 33694
in_human_history 0.660 48002
human_history 0.646 48428
in_U.S._history 0.611 60655
our_history 0.582 12200
world_religion 0.581 58513
Western_civilization 0.579 49206
economic_history 0.577 74908
political_history 0.573 61414
the_history_of 0.572 1208
historical_event 0.572 31250
ancient_civilization 0.571 79188
historiography 0.563 45319
world_culture 0.563 96213
American_literature 0.560 78300
ancient_history 0.552 41207
international_politics 0.552 60455
Jewish_history 0.549 58258
historical_period 0.549 84884