SimilarityRank
1960 0.925 2807
1940 0.878 7398
1970 0.875 2583
1930 0.868 4100
1920 0.864 5459
1980 0.817 2404
1870 0.778 11182
1900 0.773 20137
1880 0.761 9812
1890 0.757 10843
post-war 0.752 4355
mid-1960s 0.749 19473
1800 0.734 33369
nineteenth 0.731 2686
mid-1960 0.728 49947
mid-1970 0.728 12406
1910 0.720 77774
mid-1980 0.718 11219
twentieth 0.715 3963
decade 0.711 1661
mid-nineteenth 0.710 18774
mid-to-late 0.701 71501
1960s 0.695 56848
mid-1950s 0.694 24366
1860 0.693 11907