I remember once someone making a comment that found a correlation between pubic hair and floor carpeting trends.
Given that, this quote seems appropriate ... (or course it is an
article from 2013)
Possessing their own distinctive appearance and design aesthetic, shag rugs have become synonymous with 1960s’ culture and fashion. Despite falling out of favor with homeowners for several decades, they’re now experiencing a resurgence, and appearing in more and more homes throughout the nation.
Note other sources extend shag carpets into the 70's. I can attest to that, although I was way too young to attest to pubic hair lengths of those years.
If you think I'm pulling a fast one on you, here the history of the other part of the correlation ...
history of pubic hair removalFast-forward to the 1950s and Hugh Hefner’s introduction of Playboy magazine with its clean-shaven, scantily-clad models. The magazine, risqué for its time, revealed sexy, lingerie-draped women who became benchmarks for the ideal feminine beauty. Shortly after, Western culture entered a dichotomous time period. Although Playboy certainly nurtured an ideal of feminine beauty, the 1960s and 1970s was a time when feminists starkly opposed and rejected the culturally imposed ideal of hairless feminine beauty, preferring au naturel. Women could feel socially supported to do with their hair removal as they pleased. However, this phenomenon proved to be short-lived as the hairless ideal gained momentum.