Google Books Ngram Viewer

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

1930 - 1946 1947 - 1956 1957 - 1960 1961 - 1994 1995 - 2008 armoured fighting vehicles English
1930 - 1952 1953 - 1955 1956 - 1986 1987 - 2003 2004 - 2008 armored fighting vehicles English
1930 - 1954 1955 - 1996 1997 1998 - 2003 2004 - 2008 afv English
1930 - 1943 1944 - 1990 1991 - 1993 1994 - 1998 1999 - 2008 combat vehicles English

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