It's Timeline Time!
The minds behind When the What think so. After all, the site’s tagline is "It’s timeline time!"
Among the site’s extremely detailed collection of historical progressions is this yearly breakdown of the TGIF television show lineup:
I also really enjoy this one, called "My Dad’s Main Guy." Notice how both Neil Diamond and Bob Ross enjoy a little late-career resurgence in popularity:
(Via Holy Kaw!)