Google Books Ngram Viewer

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

1800 - 1856 1857 - 1958 1959 - 1967 1968 - 1988 1989 - 2000 the united states had English
1800 - 1911 1912 - 1962 1963 - 1969 1970 - 1989 1990 - 2000 the united states was English
1800 - 1902 1903 - 1939 1940 - 1948 1949 - 1990 1991 - 2000 the united states is English
1800 - 1812 1813 - 1819 1820 - 1847 1848 - 1921 1922 - 2000 the united states have English
1800 - 1814 1815 - 1827 1828 - 1835 1836 - 1924 1925 - 2000 the united states were English
1800 - 1811 1812 - 1829 1830 - 1837 1838 - 1925 1926 - 2000 the united states are English

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