Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1780 - 1823 1824 - 1891 1892 - 1895 1896 - 1897 1898 - 1900 the united states is English
1780 - 1794 1795 - 1797 1798 - 1827 1828 - 1874 1875 - 1900 the united states are English

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