Google Books Ngram Viewer

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

1920 - 1931 1932 - 1934 1935 - 1937 1938 - 1987 1988 - 2008 machine age English
1920 - 1947 1948 - 1958 1959 - 1961 1962 - 1996 1997 - 2008 atomic age English
1920 - 1958 1959 - 1965 1966 - 1968 1969 - 1998 1999 - 2008 jet age English
1920 - 1962 1963 - 1988 1989 - 1991 1992 - 1998 1999 - 2008 nuclear age English
1920 - 1961 1962 - 1967 1968 - 1970 1971 - 2002 2003 - 2008 space age English
1920 - 1988 1989 - 2003 2004 2005 2006 - 2008 information age English

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