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Word: therefore (lookup in dictionary) (lookup stats)
Dates: during 1870-1879
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Word Time Machine

Normalized population density for word "therefore" throughout decades:

1870s : 3.6114
1880s : 3.0997
1890s : 1.8837
1900s : 1.5184
1910s : 1.8470
1920s : 2.2754
1930s : 1.5919
1940s : 0.9765
1950s : 1.0022
1960s : 0.9958
1970s : 0.8391
1980s : 0.6506
1990s : 0.6422
2000s : 0.5105
2010s : 0.7737