Graphic designer Scott Modrzynski spent over two years creating a cubist, minimalist chart of the history of the World Wrestling Federation, a portion of which you see above. RIP Doink the Clown.
The 40'' x 42'' poster is a near-comprehensive chronology of every character who graced the ring from Buddy Rogers's inaugural championship in 1963 through Chris Jericho's title unification in 2001 (jobbers excluded). That's over 1,000 figures in all, including 22 blank figures representing times where the title was vacant.
Here's the chart in its full glory: