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Word: prehistoric (lookup in dictionary) (lookup stats)
Dates: during 176265-176265
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Word Time Machine

Normalized population density for word "prehistoric" throughout decades:

1870s : 1.2770
1880s : 1.0292
1890s : 1.3839
1900s : 1.6784
1910s : 0.5717
1920s : 1.6761
1930s : 1.4949
1940s : 1.2215
1950s : 1.2232
1960s : 1.1805
1970s : 0.8713
1980s : 0.6764
1990s : 0.9991
2000s : 0.5834
2010s : 0.5453