Folks from all ages like the 70's will surely be nostalgic if they would see bored.com's fad list of their grace age. They list from over 1920's up to the year 2000. Site's link below and if you think their list is incomplete, you can submit one, the link is on the lower portion of the site. There are also other interesting section of the site that will surely wear off you boredom.
Link: Bored.com - 1970's Fads
