The trend is moving in 1960 and very becomes a very well established uptrend by 1965.
The divorce rate in 1960 was LOWER than it was in 1950, for goodness sake.
And in 1965 it's the SAME as it was in 1950!
What the hell kind of trend is that?
It was the Baby Boomers who started the Run up in divorces
http://www.divorcereform.org/03statab.html
Year Divorces per 1,000 population
1950 ........... 2.6
1955 ........... 2.3
1957 ...........2.2
1960 ........... 2.2
1965 ........... 2.5
1970 ........... 3.5
1971 ........... 3.7
1972 ........... 4.0
1973 ........... 4.3
1974 ........... 4.6
1975 ........... 4.8
1976 ........... 5.0
1977 ........... 5.0
1978 ........... 5.1
1979 ........... 5.3
1980 ........... 5.2
1981 ........... 5.3
1982 ........... 5.1
1983 ........... 5.0
1984 ........... 5.0
1985 ........... 5.0
1986 ........... 4.9
1987 ........... 4.8
1988 ........... 4.8
1989 ........... 4.7
1990 ........... 4.7
1991 ........... 4.7
1992 ........... 4.8
1993 ........... 4.6
1994 ........... 4.6
1995 ........... 4.4
1996 ........... 4.3
1997 ........... 4.3
1998 .......... 4.2
1999 .......... 4.1
2000 .......... 4.2
2001 .......... 4.0