Google Books Ngram Viewer

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

1800 - 1832 1833 - 1952 1953 - 1967 1968 - 1982 1983 - 2000 january English
1800 - 1831 1832 - 1953 1954 - 1968 1969 - 1983 1984 - 2000 february English
1800 - 1827 1828 - 1949 1950 - 1965 1966 - 1981 1982 - 2000 march English
1800 - 1828 1829 - 1950 1951 - 1966 1967 - 1982 1983 - 2000 april English
1800 - 1825 1826 - 1945 1946 - 1963 1964 - 1981 1982 - 2000 may English
1800 - 1829 1830 - 1950 1951 - 1966 1967 - 1982 1983 - 2000 june English
1800 - 1829 1830 - 1948 1949 - 1964 1965 - 1980 1981 - 2000 july English
1800 - 1828 1829 - 1949 1950 - 1965 1966 - 1981 1982 - 2000 august English
1800 - 1830 1831 - 1953 1954 - 1968 1969 - 1983 1984 - 2000 september English
1800 - 1830 1831 - 1953 1954 - 1968 1969 - 1983 1984 - 2000 october English
1800 - 1831 1832 - 1953 1954 - 1968 1969 - 1983 1984 - 2000 november English
1800 - 1833 1834 - 1954 1955 - 1969 1970 - 1983 1984 - 2000 december English

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